/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:34:35,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:34:35,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:34:35,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:34:35,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:34:35,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:34:35,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:34:35,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:34:35,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:34:35,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:34:35,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:34:35,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:34:35,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:34:35,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:34:35,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:34:35,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:34:35,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:34:35,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:34:35,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:34:35,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:34:35,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:34:35,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:34:35,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:34:35,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:34:35,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:34:35,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:34:35,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:34:35,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:34:35,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:34:35,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 23:34:35,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 23:34:35,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 23:34:35,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 23:34:35,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 23:34:35,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 23:34:35,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 23:34:35,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 23:34:35,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 23:34:35,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:34:35,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:34:35,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:34:35,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 23:34:35,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:34:35,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:34:35,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:34:35,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:34:35,166 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:34:35,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:34:35,166 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:34:35,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:34:35,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:34:35,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:34:35,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:34:35,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:34:35,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:34:35,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:34:35,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:34:35,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:34:35,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:34:35,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:34:35,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:34:35,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:34:35,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:34:35,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:34:35,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:34:35,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:34:35,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:34:35,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:34:35,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:34:35,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:34:35,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:34:35,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:34:35,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:34:35,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:34:35,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:34:35,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:34:35,497 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:34:35,498 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-08-21 23:34:35,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ad9016a1/f38cb5a19f3c44e782d3250d4960f425/FLAGcb91cd8f7 [2020-08-21 23:34:36,111 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:34:36,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-08-21 23:34:36,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ad9016a1/f38cb5a19f3c44e782d3250d4960f425/FLAGcb91cd8f7 [2020-08-21 23:34:36,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ad9016a1/f38cb5a19f3c44e782d3250d4960f425 [2020-08-21 23:34:36,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:34:36,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:34:36,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:34:36,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:34:36,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:34:36,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:34:36" (1/1) ... [2020-08-21 23:34:36,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d644d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:36, skipping insertion in model container [2020-08-21 23:34:36,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:34:36" (1/1) ... [2020-08-21 23:34:36,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:34:36,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:34:36,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:34:36,919 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:34:37,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:34:37,076 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:34:37,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37 WrapperNode [2020-08-21 23:34:37,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:34:37,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:34:37,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:34:37,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:34:37,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... [2020-08-21 23:34:37,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:34:37,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:34:37,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:34:37,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:34:37,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:34:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:34:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:34:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 23:34:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 23:34:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 23:34:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 23:34:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 23:34:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 23:34:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 23:34:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 23:34:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 23:34:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 23:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 23:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 23:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 23:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 23:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 23:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 23:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 23:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 23:34:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 23:34:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 23:34:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 23:34:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 23:34:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:34:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:34:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 23:34:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:34:38,386 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:34:38,387 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 23:34:38,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:34:38 BoogieIcfgContainer [2020-08-21 23:34:38,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:34:38,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:34:38,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:34:38,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:34:38,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:34:36" (1/3) ... [2020-08-21 23:34:38,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8ca196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:34:38, skipping insertion in model container [2020-08-21 23:34:38,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:34:37" (2/3) ... [2020-08-21 23:34:38,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8ca196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:34:38, skipping insertion in model container [2020-08-21 23:34:38,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:34:38" (3/3) ... [2020-08-21 23:34:38,401 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-08-21 23:34:38,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:34:38,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:34:38,435 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:34:38,460 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:34:38,460 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:34:38,460 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:34:38,461 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:34:38,461 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:34:38,461 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:34:38,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:34:38,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:34:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-21 23:34:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 23:34:38,503 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:34:38,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:34:38,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:34:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:34:38,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1126769430, now seen corresponding path program 1 times [2020-08-21 23:34:38,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:34:38,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665871742] [2020-08-21 23:34:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:34:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,192 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:34:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:34:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:34:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:34:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:34:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:34:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 23:34:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 23:34:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:34:39,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665871742] [2020-08-21 23:34:39,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:34:39,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:34:39,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048774535] [2020-08-21 23:34:39,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 23:34:39,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:34:39,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 23:34:39,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:34:39,388 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 4 states. [2020-08-21 23:34:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:34:40,478 INFO L93 Difference]: Finished difference Result 251 states and 335 transitions. [2020-08-21 23:34:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 23:34:40,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 23:34:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:34:40,496 INFO L225 Difference]: With dead ends: 251 [2020-08-21 23:34:40,496 INFO L226 Difference]: Without dead ends: 142 [2020-08-21 23:34:40,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:34:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-21 23:34:40,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-21 23:34:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 23:34:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-08-21 23:34:40,591 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-08-21 23:34:40,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:34:40,592 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-08-21 23:34:40,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 23:34:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-08-21 23:34:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 23:34:40,595 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:34:40,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:34:40,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:34:40,596 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:34:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:34:40,597 INFO L82 PathProgramCache]: Analyzing trace with hash 305293600, now seen corresponding path program 1 times [2020-08-21 23:34:40,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:34:40,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764268376] [2020-08-21 23:34:40,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:34:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,024 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:34:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:34:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:34:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:34:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:34:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:34:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:34:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 23:34:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:34:41,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764268376] [2020-08-21 23:34:41,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:34:41,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 23:34:41,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898321547] [2020-08-21 23:34:41,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:34:41,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:34:41,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:34:41,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:34:41,134 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 5 states. [2020-08-21 23:34:41,601 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:34:42,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:34:42,366 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2020-08-21 23:34:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:34:42,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 23:34:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:34:42,371 INFO L225 Difference]: With dead ends: 190 [2020-08-21 23:34:42,371 INFO L226 Difference]: Without dead ends: 132 [2020-08-21 23:34:42,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:34:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-21 23:34:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-08-21 23:34:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-21 23:34:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-08-21 23:34:42,405 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-08-21 23:34:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:34:42,406 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-08-21 23:34:42,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:34:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-08-21 23:34:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 23:34:42,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:34:42,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:34:42,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:34:42,409 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:34:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:34:42,409 INFO L82 PathProgramCache]: Analyzing trace with hash -13017803, now seen corresponding path program 1 times [2020-08-21 23:34:42,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:34:42,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610679651] [2020-08-21 23:34:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:34:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,739 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:34:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:34:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:34:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:34:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:34:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:34:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 23:34:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 23:34:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:34:42,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610679651] [2020-08-21 23:34:42,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:34:42,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:34:42,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976483003] [2020-08-21 23:34:42,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:34:42,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:34:42,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:34:42,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:34:42,877 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 9 states. [2020-08-21 23:34:43,282 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:34:43,586 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:43,859 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:44,102 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:44,934 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:34:46,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:34:46,306 INFO L93 Difference]: Finished difference Result 347 states and 444 transitions. [2020-08-21 23:34:46,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 23:34:46,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 23:34:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:34:46,314 INFO L225 Difference]: With dead ends: 347 [2020-08-21 23:34:46,315 INFO L226 Difference]: Without dead ends: 274 [2020-08-21 23:34:46,316 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 [2020-08-21 23:34:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-21 23:34:46,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 217. [2020-08-21 23:34:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-21 23:34:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 266 transitions. [2020-08-21 23:34:46,384 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 266 transitions. Word has length 56 [2020-08-21 23:34:46,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:34:46,384 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 266 transitions. [2020-08-21 23:34:46,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:34:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 266 transitions. [2020-08-21 23:34:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 23:34:46,387 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:34:46,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:34:46,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:34:46,388 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:34:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:34:46,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1884102266, now seen corresponding path program 1 times [2020-08-21 23:34:46,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:34:46,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719756521] [2020-08-21 23:34:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:34:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,702 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:34:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:34:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:34:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:34:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:34:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:34:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:34:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 23:34:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 23:34:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:34:46,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719756521] [2020-08-21 23:34:46,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:34:46,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:34:46,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481738444] [2020-08-21 23:34:46,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:34:46,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:34:46,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:34:46,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:34:46,794 INFO L87 Difference]: Start difference. First operand 217 states and 266 transitions. Second operand 9 states. [2020-08-21 23:34:47,194 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:34:48,175 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:48,596 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:34:48,891 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:49,141 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:34:50,053 INFO L93 Difference]: Finished difference Result 693 states and 937 transitions. [2020-08-21 23:34:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 23:34:50,054 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 23:34:50,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:34:50,061 INFO L225 Difference]: With dead ends: 693 [2020-08-21 23:34:50,061 INFO L226 Difference]: Without dead ends: 504 [2020-08-21 23:34:50,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 23:34:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-08-21 23:34:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 382. [2020-08-21 23:34:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-08-21 23:34:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 472 transitions. [2020-08-21 23:34:50,174 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 472 transitions. Word has length 62 [2020-08-21 23:34:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:34:50,174 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 472 transitions. [2020-08-21 23:34:50,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:34:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2020-08-21 23:34:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 23:34:50,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:34:50,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:34:50,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:34:50,178 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:34:50,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:34:50,178 INFO L82 PathProgramCache]: Analyzing trace with hash -2089210538, now seen corresponding path program 1 times [2020-08-21 23:34:50,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:34:50,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347130901] [2020-08-21 23:34:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:34:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,454 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:34:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:34:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:34:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:34:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:34:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:34:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 23:34:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 23:34:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 23:34:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 23:34:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:34:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:34:50,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347130901] [2020-08-21 23:34:50,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:34:50,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 23:34:50,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188221116] [2020-08-21 23:34:50,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:34:50,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:34:50,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:34:50,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:34:50,562 INFO L87 Difference]: Start difference. First operand 382 states and 472 transitions. Second operand 10 states. [2020-08-21 23:34:50,911 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:34:51,870 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:52,152 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:52,403 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:34:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:34:52,761 INFO L93 Difference]: Finished difference Result 727 states and 972 transitions. [2020-08-21 23:34:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 23:34:52,762 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 23:34:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:34:52,763 INFO L225 Difference]: With dead ends: 727 [2020-08-21 23:34:52,763 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:34:52,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 23:34:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:34:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:34:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:34:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:34:52,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 23:34:52,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:34:52,789 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:34:52,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:34:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:34:52,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:34:52,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:34:52,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:34:56,219 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:34:56,401 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:56,598 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 23:34:56,834 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:57,068 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:34:57,404 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 23:34:57,569 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:34:57,897 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 23:34:58,260 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 23:34:58,565 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:34:58,735 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:58,893 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:59,099 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:59,259 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 23:34:59,420 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:34:59,731 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 23:34:59,880 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 23:35:00,365 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 23:35:00,555 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 23:35:00,752 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 23:35:01,073 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 23:35:01,428 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:35:01,751 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:35:02,097 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:35:02,100 INFO L268 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-08-21 23:35:02,100 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 483) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 448 503) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point L495(lines 472 496) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2020-08-21 23:35:02,101 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2020-08-21 23:35:02,102 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-08-21 23:35:02,102 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 540) no Hoare annotation was computed. [2020-08-21 23:35:02,102 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2020-08-21 23:35:02,103 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-21 23:35:02,103 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2020-08-21 23:35:02,103 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2020-08-21 23:35:02,103 INFO L268 CegarLoopResult]: For program point L556(lines 529 557) no Hoare annotation was computed. [2020-08-21 23:35:02,103 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2020-08-21 23:35:02,104 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-08-21 23:35:02,104 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-08-21 23:35:02,104 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2020-08-21 23:35:02,104 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2020-08-21 23:35:02,104 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2020-08-21 23:35:02,104 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2020-08-21 23:35:02,105 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2020-08-21 23:35:02,105 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,105 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-08-21 23:35:02,105 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,105 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,106 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-08-21 23:35:02,106 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-08-21 23:35:02,106 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-08-21 23:35:02,106 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-21 23:35:02,106 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,106 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,107 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-08-21 23:35:02,107 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-21 23:35:02,108 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-08-21 23:35:02,109 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-08-21 23:35:02,109 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-08-21 23:35:02,109 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2020-08-21 23:35:02,109 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:35:02,109 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-08-21 23:35:02,109 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 23:35:02,109 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 229 264) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2020-08-21 23:35:02,110 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 402 447) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-08-21 23:35:02,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 715 760) no Hoare annotation was computed. [2020-08-21 23:35:02,112 INFO L268 CegarLoopResult]: For program point L729(lines 729 749) no Hoare annotation was computed. [2020-08-21 23:35:02,112 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 749) no Hoare annotation was computed. [2020-08-21 23:35:02,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2020-08-21 23:35:02,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2020-08-21 23:35:02,112 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,112 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,112 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L271 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: true [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point L214-1(line 214) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2020-08-21 23:35:02,113 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,113 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-08-21 23:35:02,114 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2020-08-21 23:35:02,114 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,114 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,114 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,114 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-08-21 23:35:02,114 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,115 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-21 23:35:02,115 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-08-21 23:35:02,115 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-08-21 23:35:02,115 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-08-21 23:35:02,115 INFO L264 CegarLoopResult]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,115 INFO L264 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point L312(lines 312 318) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L264 CegarLoopResult]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:35:02,116 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point L302(lines 302 308) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-08-21 23:35:02,116 INFO L264 CegarLoopResult]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:35:02,117 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L264 CegarLoopResult]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point L293(lines 292 339) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point L322(lines 322 335) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2020-08-21 23:35:02,117 INFO L268 CegarLoopResult]: For program point L689(lines 689 696) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 669 714) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point L683(lines 683 703) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point L683-1(lines 683 703) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point L881(lines 881 891) no Hoare annotation was computed. [2020-08-21 23:35:02,118 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:35:02,118 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 23:35:02,118 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point L877(lines 877 894) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 23:35:02,119 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 353 362) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point L636(lines 614 637) no Hoare annotation was computed. [2020-08-21 23:35:02,120 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L655(lines 655 662) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L616(lines 615 635) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L647-1(line 647) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L612(lines 612 653) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-21 23:35:02,121 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point L654(lines 654 665) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,122 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.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~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 23:35:02,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 23:35:02,123 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 23:35:02,124 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 23:35:02,124 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,125 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,125 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:35:02,125 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:35:02,125 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-08-21 23:35:02,125 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-08-21 23:35:02,126 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-08-21 23:35:02,126 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-08-21 23:35:02,126 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-21 23:35:02,126 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-08-21 23:35:02,126 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-08-21 23:35:02,126 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-08-21 23:35:02,126 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-21 23:35:02,127 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-08-21 23:35:02,127 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-08-21 23:35:02,127 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-21 23:35:02,127 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-08-21 23:35:02,127 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 23:35:02,127 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 23:35:02,128 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 23:35:02,128 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-08-21 23:35:02,128 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-08-21 23:35:02,128 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,128 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 23:35:02,128 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:35:02,128 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:35:02,129 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 23:35:02,129 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 23:35:02,129 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 23:35:02,129 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2020-08-21 23:35:02,129 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-08-21 23:35:02,129 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2020-08-21 23:35:02,130 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2020-08-21 23:35:02,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:35:02 BoogieIcfgContainer [2020-08-21 23:35:02,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:35:02,150 INFO L168 Benchmark]: Toolchain (without parser) took 25709.10 ms. Allocated memory was 141.0 MB in the beginning and 637.0 MB in the end (delta: 496.0 MB). Free memory was 101.3 MB in the beginning and 87.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 515.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,150 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.37 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.3 MB in the beginning and 172.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,152 INFO L168 Benchmark]: Boogie Preprocessor took 112.92 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,153 INFO L168 Benchmark]: RCFGBuilder took 1202.17 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.6 MB in the beginning and 198.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,154 INFO L168 Benchmark]: TraceAbstraction took 23754.04 ms. Allocated memory was 235.9 MB in the beginning and 637.0 MB in the end (delta: 401.1 MB). Free memory was 196.7 MB in the beginning and 87.7 MB in the end (delta: 109.0 MB). Peak memory consumption was 516.3 MB. Max. memory is 7.1 GB. [2020-08-21 23:35:02,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.37 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.3 MB in the beginning and 172.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.92 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.17 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.6 MB in the beginning and 198.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23754.04 ms. Allocated memory was 235.9 MB in the beginning and 637.0 MB in the end (delta: 401.1 MB). Free memory was 196.7 MB in the beginning and 87.7 MB in the end (delta: 109.0 MB). Peak memory consumption was 516.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 473 SDtfs, 934 SDslu, 545 SDs, 0 SdLazy, 2306 SolverSat, 696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred 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, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 774 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...