/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:31:01,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 19:31:01,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 19:31:01,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 19:31:01,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:31:01,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:31:01,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:31:01,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:31:01,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:31:01,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:31:01,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:31:01,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:31:01,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:31:01,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:31:01,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:31:01,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:31:01,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:31:01,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:31:01,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:31:01,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:31:01,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:31:01,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:31:01,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:31:01,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:31:01,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 19:31:01,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 19:31:01,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 19:31:01,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 19:31:01,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 19:31:01,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 19:31:01,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 19:31:01,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 19:31:01,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 19:31:01,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 19:31:01,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 19:31:01,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 19:31:01,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 19:31:01,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 19:31:01,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:31:01,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:31:01,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:31:01,117 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 19:31:01,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:31:01,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:31:01,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:31:01,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:31:01,140 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:31:01,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:31:01,140 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:31:01,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:31:01,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:31:01,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:31:01,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:31:01,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:31:01,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:31:01,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:31:01,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:31:01,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:31:01,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:31:01,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:31:01,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:31:01,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:31:01,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:31:01,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:31:01,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:31:01,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:31:01,145 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=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-08-21 19:31:01,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:31:01,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:31:01,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:31:01,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:31:01,463 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:31:01,463 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2020-08-21 19:31:01,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25fc7bd5b/e5f4dcc13bd7493292f9ececb6ee6327/FLAG8bd0b73c8 [2020-08-21 19:31:02,081 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:31:02,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2020-08-21 19:31:02,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25fc7bd5b/e5f4dcc13bd7493292f9ececb6ee6327/FLAG8bd0b73c8 [2020-08-21 19:31:02,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25fc7bd5b/e5f4dcc13bd7493292f9ececb6ee6327 [2020-08-21 19:31:02,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:31:02,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:31:02,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:31:02,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:31:02,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:31:02,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:31:02" (1/1) ... [2020-08-21 19:31:02,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:02, skipping insertion in model container [2020-08-21 19:31:02,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:31:02" (1/1) ... [2020-08-21 19:31:02,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:31:02,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:31:02,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:31:02,978 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:31:03,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:31:03,132 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:31:03,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03 WrapperNode [2020-08-21 19:31:03,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:31:03,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:31:03,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:31:03,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:31:03,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (1/1) ... [2020-08-21 19:31:03,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:31:03,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:31:03,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:31:03,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:31:03,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (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 19:31:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:31:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:31:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 19:31:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 19:31:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 19:31:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 19:31:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 19:31:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 19:31:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 19:31:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 19:31:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 19:31:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 19:31:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 19:31:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 19:31:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:31:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 19:31:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 19:31:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 19:31:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 19:31:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 19:31:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 19:31:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 19:31:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 19:31:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 19:31:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 19:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 19:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 19:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 19:31:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 19:31:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 19:31:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 19:31:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 19:31:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 19:31:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:31:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 19:31:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 19:31:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 19:31:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 19:31:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 19:31:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 19:31:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 19:31:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 19:31:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 19:31:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 19:31:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 19:31:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 19:31:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 19:31:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 19:31:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:31:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 19:31:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:31:04,546 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:31:04,546 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 19:31:04,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:31:04 BoogieIcfgContainer [2020-08-21 19:31:04,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:31:04,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:31:04,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:31:04,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:31:04,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:31:02" (1/3) ... [2020-08-21 19:31:04,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a256ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:31:04, skipping insertion in model container [2020-08-21 19:31:04,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:31:03" (2/3) ... [2020-08-21 19:31:04,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a256ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:31:04, skipping insertion in model container [2020-08-21 19:31:04,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:31:04" (3/3) ... [2020-08-21 19:31:04,560 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2020-08-21 19:31:04,571 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:31:04,579 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:31:04,593 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:31:04,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:31:04,622 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:31:04,622 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:31:04,622 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:31:04,622 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:31:04,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:31:04,623 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:31:04,623 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:31:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-08-21 19:31:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 19:31:04,655 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:31:04,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:31:04,657 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:31:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:31:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -317662081, now seen corresponding path program 1 times [2020-08-21 19:31:04,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:31:04,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519621522] [2020-08-21 19:31:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:31:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,279 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:05,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:31:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:31:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:31:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:31:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:31:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 19:31:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 19:31:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:05,402 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 19:31:05,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519621522] [2020-08-21 19:31:05,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:31:05,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 19:31:05,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525582923] [2020-08-21 19:31:05,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 19:31:05,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:31:05,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 19:31:05,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:31:05,431 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-08-21 19:31:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:31:06,518 INFO L93 Difference]: Finished difference Result 279 states and 370 transitions. [2020-08-21 19:31:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 19:31:06,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 19:31:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:31:06,534 INFO L225 Difference]: With dead ends: 279 [2020-08-21 19:31:06,534 INFO L226 Difference]: Without dead ends: 151 [2020-08-21 19:31:06,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 19:31:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-21 19:31:06,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-21 19:31:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-21 19:31:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-08-21 19:31:06,668 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 46 [2020-08-21 19:31:06,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:31:06,669 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-08-21 19:31:06,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 19:31:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-08-21 19:31:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 19:31:06,676 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:31:06,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:31:06,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:31:06,676 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:31:06,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:31:06,677 INFO L82 PathProgramCache]: Analyzing trace with hash -638298370, now seen corresponding path program 1 times [2020-08-21 19:31:06,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:31:06,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217775787] [2020-08-21 19:31:06,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:31:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,042 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:07,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:31:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:31:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:31:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:31:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:31:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 19:31:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 19:31:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:07,091 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 19:31:07,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217775787] [2020-08-21 19:31:07,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:31:07,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:31:07,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115311379] [2020-08-21 19:31:07,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 19:31:07,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:31:07,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 19:31:07,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 19:31:07,095 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 4 states. [2020-08-21 19:31:07,523 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 19:31:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:31:08,303 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2020-08-21 19:31:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 19:31:08,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 19:31:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:31:08,306 INFO L225 Difference]: With dead ends: 212 [2020-08-21 19:31:08,307 INFO L226 Difference]: Without dead ends: 135 [2020-08-21 19:31:08,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:31:08,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-08-21 19:31:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-08-21 19:31:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 19:31:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-08-21 19:31:08,345 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-08-21 19:31:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:31:08,346 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-08-21 19:31:08,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 19:31:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-08-21 19:31:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 19:31:08,348 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:31:08,348 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 19:31:08,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:31:08,349 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:31:08,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:31:08,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1000798520, now seen corresponding path program 1 times [2020-08-21 19:31:08,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:31:08,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45599877] [2020-08-21 19:31:08,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:31:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,670 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:08,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:31:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:31:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:31:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:31:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:31:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 19:31:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 19:31:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:08,782 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 19:31:08,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45599877] [2020-08-21 19:31:08,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:31:08,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 19:31:08,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586382192] [2020-08-21 19:31:08,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:31:08,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:31:08,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:31:08,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:31:08,785 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 8 states. [2020-08-21 19:31:09,233 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:31:09,573 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:09,835 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:10,106 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:31:11,244 INFO L93 Difference]: Finished difference Result 221 states and 275 transitions. [2020-08-21 19:31:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:31:11,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 19:31:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:31:11,247 INFO L225 Difference]: With dead ends: 221 [2020-08-21 19:31:11,247 INFO L226 Difference]: Without dead ends: 135 [2020-08-21 19:31:11,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:31:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-08-21 19:31:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-08-21 19:31:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 19:31:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2020-08-21 19:31:11,282 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 51 [2020-08-21 19:31:11,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:31:11,283 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2020-08-21 19:31:11,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:31:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2020-08-21 19:31:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 19:31:11,285 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:31:11,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:31:11,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:31:11,285 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:31:11,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:31:11,286 INFO L82 PathProgramCache]: Analyzing trace with hash -100887990, now seen corresponding path program 1 times [2020-08-21 19:31:11,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:31:11,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269098716] [2020-08-21 19:31:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:31:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,555 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:31:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:31:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:31:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:31:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:31:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 19:31:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 19:31:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 19:31:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 19:31:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 19:31:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:11,639 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 19:31:11,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269098716] [2020-08-21 19:31:11,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:31:11,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 19:31:11,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280576749] [2020-08-21 19:31:11,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:31:11,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:31:11,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:31:11,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:31:11,642 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 8 states. [2020-08-21 19:31:12,012 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:31:12,806 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:13,225 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:31:14,008 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:14,243 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:14,678 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 19:31:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:31:15,215 INFO L93 Difference]: Finished difference Result 343 states and 450 transitions. [2020-08-21 19:31:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 19:31:15,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-08-21 19:31:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:31:15,222 INFO L225 Difference]: With dead ends: 343 [2020-08-21 19:31:15,222 INFO L226 Difference]: Without dead ends: 257 [2020-08-21 19:31:15,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 19:31:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-21 19:31:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 187. [2020-08-21 19:31:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-21 19:31:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 222 transitions. [2020-08-21 19:31:15,281 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 222 transitions. Word has length 64 [2020-08-21 19:31:15,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:31:15,282 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 222 transitions. [2020-08-21 19:31:15,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:31:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 222 transitions. [2020-08-21 19:31:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 19:31:15,284 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:31:15,284 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, 1, 1] [2020-08-21 19:31:15,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:31:15,285 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:31:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:31:15,285 INFO L82 PathProgramCache]: Analyzing trace with hash 940440198, now seen corresponding path program 1 times [2020-08-21 19:31:15,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:31:15,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400780977] [2020-08-21 19:31:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:31:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,584 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:31:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 19:31:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 19:31:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 19:31:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 19:31:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 19:31:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 19:31:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 19:31:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 19:31:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 19:31:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 19:31:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:31:15,732 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 19:31:15,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400780977] [2020-08-21 19:31:15,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:31:15,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 19:31:15,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729522344] [2020-08-21 19:31:15,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 19:31:15,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:31:15,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 19:31:15,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 19:31:15,739 INFO L87 Difference]: Start difference. First operand 187 states and 222 transitions. Second operand 9 states. [2020-08-21 19:31:16,145 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 19:31:16,957 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:17,206 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:17,456 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 19:31:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:31:17,627 INFO L93 Difference]: Finished difference Result 313 states and 392 transitions. [2020-08-21 19:31:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:31:17,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-08-21 19:31:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:31:17,629 INFO L225 Difference]: With dead ends: 313 [2020-08-21 19:31:17,629 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:31:17,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 19:31:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:31:17,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:31:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:31:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:31:17,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-21 19:31:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:31:17,633 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:31:17,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 19:31:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:31:17,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:31:17,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:31:17,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:31:19,545 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 19:31:19,713 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:19,976 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 19:31:20,277 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 19:31:20,453 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 19:31:20,653 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:20,856 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 19:31:21,168 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 19:31:21,497 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 19:31:21,788 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 19:31:22,121 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 19:31:22,462 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 19:31:22,781 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 19:31:22,934 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 19:31:23,095 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 19:31:23,281 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 19:31:23,455 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:23,658 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:23,826 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 19:31:24,005 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 19:31:24,173 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:24,345 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 19:31:24,369 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-08-21 19:31:24,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-08-21 19:31:24,370 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-08-21 19:31:24,370 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-08-21 19:31:24,370 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-21 19:31:24,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-08-21 19:31:24,371 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-08-21 19:31:24,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-08-21 19:31:24,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-08-21 19:31:24,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-08-21 19:31:24,373 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-08-21 19:31:24,373 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-08-21 19:31:24,373 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 430 436) the Hoare annotation is: true [2020-08-21 19:31:24,373 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 430 436) no Hoare annotation was computed. [2020-08-21 19:31:24,373 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 437 445) no Hoare annotation was computed. [2020-08-21 19:31:24,374 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 437 445) the Hoare annotation is: true [2020-08-21 19:31:24,374 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 437 445) no Hoare annotation was computed. [2020-08-21 19:31:24,374 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 388 410) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,374 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 388 410) no Hoare annotation was computed. [2020-08-21 19:31:24,374 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:31:24,374 INFO L264 CegarLoopResult]: At program point L400-1(line 400) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:31:24,375 INFO L268 CegarLoopResult]: For program point L398(lines 398 405) no Hoare annotation was computed. [2020-08-21 19:31:24,375 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 405) no Hoare annotation was computed. [2020-08-21 19:31:24,375 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 388 410) no Hoare annotation was computed. [2020-08-21 19:31:24,375 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-21 19:31:24,375 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,375 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,376 INFO L264 CegarLoopResult]: At program point L394-1(line 394) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,376 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-08-21 19:31:24,376 INFO L268 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-08-21 19:31:24,376 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 344 367) no Hoare annotation was computed. [2020-08-21 19:31:24,376 INFO L268 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-08-21 19:31:24,376 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 344 367) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 344 367) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-08-21 19:31:24,377 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-08-21 19:31:24,378 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 85 109) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 85 109) no Hoare annotation was computed. [2020-08-21 19:31:24,379 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-08-21 19:31:24,379 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 180 188) no Hoare annotation was computed. [2020-08-21 19:31:24,379 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 180 188) the Hoare annotation is: true [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 180 188) no Hoare annotation was computed. [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 19:31:24,379 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 225 243) the Hoare annotation is: true [2020-08-21 19:31:24,379 INFO L271 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: true [2020-08-21 19:31:24,379 INFO L268 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 225 243) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 225 243) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L208(lines 208 216) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 189 224) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 189 224) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-08-21 19:31:24,380 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 189 224) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 423 429) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 423 429) the Hoare annotation is: true [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-08-21 19:31:24,381 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-08-21 19:31:24,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-08-21 19:31:24,382 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 375 384) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,382 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 375 384) no Hoare annotation was computed. [2020-08-21 19:31:24,382 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 375 384) no Hoare annotation was computed. [2020-08-21 19:31:24,382 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 169 179) the Hoare annotation is: true [2020-08-21 19:31:24,382 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 169 179) no Hoare annotation was computed. [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 169 179) no Hoare annotation was computed. [2020-08-21 19:31:24,383 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 161 168) the Hoare annotation is: true [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 161 168) no Hoare annotation was computed. [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 161 168) no Hoare annotation was computed. [2020-08-21 19:31:24,383 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-08-21 19:31:24,384 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,384 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,384 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-08-21 19:31:24,384 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-08-21 19:31:24,384 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,384 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-08-21 19:31:24,385 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,385 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-08-21 19:31:24,385 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,385 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-21 19:31:24,385 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-08-21 19:31:24,385 INFO L264 CegarLoopResult]: At program point testENTRY(lines 248 311) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 19:31:24,385 INFO L268 CegarLoopResult]: For program point testFINAL(lines 248 311) no Hoare annotation was computed. [2020-08-21 19:31:24,386 INFO L264 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 19:31:24,386 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-08-21 19:31:24,386 INFO L264 CegarLoopResult]: At program point L294-2(lines 288 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:31:24,386 INFO L268 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2020-08-21 19:31:24,386 INFO L268 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2020-08-21 19:31:24,386 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:31:24,386 INFO L268 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2020-08-21 19:31:24,386 INFO L268 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-08-21 19:31:24,387 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:31:24,387 INFO L264 CegarLoopResult]: At program point L301(lines 258 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 19:31:24,387 INFO L268 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2020-08-21 19:31:24,387 INFO L268 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-08-21 19:31:24,387 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-08-21 19:31:24,387 INFO L268 CegarLoopResult]: For program point testEXIT(lines 248 311) no Hoare annotation was computed. [2020-08-21 19:31:24,387 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 136 143) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 136 143) no Hoare annotation was computed. [2020-08-21 19:31:24,388 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 136 143) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 920 928) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 920 928) the Hoare annotation is: true [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 920 928) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-08-21 19:31:24,389 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 413 422) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 413 422) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 413 422) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-21 19:31:24,390 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-08-21 19:31:24,391 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-08-21 19:31:24,392 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-08-21 19:31:24,392 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-08-21 19:31:24,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,392 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~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~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 19:31:24,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 144 160) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point L155-1(lines 144 160) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 144 160) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point L151(lines 151 157) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-21 19:31:24,393 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 911 919) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-08-21 19:31:24,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,395 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,395 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,395 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 879 887) the Hoare annotation is: true [2020-08-21 19:31:24,395 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-08-21 19:31:24,395 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-08-21 19:31:24,395 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,395 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,396 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-21 19:31:24,396 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,396 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-21 19:31:24,396 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-21 19:31:24,396 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 19:31:24,396 INFO L271 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: true [2020-08-21 19:31:24,396 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 314 343) no Hoare annotation was computed. [2020-08-21 19:31:24,396 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-08-21 19:31:24,397 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 314 343) the Hoare annotation is: true [2020-08-21 19:31:24,397 INFO L271 CegarLoopResult]: At program point L339(lines 314 343) the Hoare annotation is: true [2020-08-21 19:31:24,397 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-08-21 19:31:24,397 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-08-21 19:31:24,397 INFO L271 CegarLoopResult]: At program point L328-1(lines 328 332) the Hoare annotation is: true [2020-08-21 19:31:24,397 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-08-21 19:31:24,397 INFO L271 CegarLoopResult]: At program point L324-2(lines 324 338) the Hoare annotation is: true [2020-08-21 19:31:24,398 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: true [2020-08-21 19:31:24,398 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-08-21 19:31:24,398 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-08-21 19:31:24,398 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 368 374) no Hoare annotation was computed. [2020-08-21 19:31:24,398 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 368 374) the Hoare annotation is: true [2020-08-21 19:31:24,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,398 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 19:31:24,399 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:31:24,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:31:24,399 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-08-21 19:31:24,399 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-08-21 19:31:24,399 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 19:31:24,399 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 930 937) no Hoare annotation was computed. [2020-08-21 19:31:24,399 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2020-08-21 19:31:24,400 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 930 937) the Hoare annotation is: true [2020-08-21 19:31:24,400 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 930 937) no Hoare annotation was computed. [2020-08-21 19:31:24,400 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-08-21 19:31:24,400 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-08-21 19:31:24,400 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 19:31:24,400 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-08-21 19:31:24,401 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 19:31:24,401 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-08-21 19:31:24,401 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-08-21 19:31:24,401 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-08-21 19:31:24,401 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-08-21 19:31:24,401 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-08-21 19:31:24,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:31:24 BoogieIcfgContainer [2020-08-21 19:31:24,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:31:24,421 INFO L168 Benchmark]: Toolchain (without parser) took 22047.68 ms. Allocated memory was 139.5 MB in the beginning and 561.0 MB in the end (delta: 421.5 MB). Free memory was 101.2 MB in the beginning and 158.3 MB in the end (delta: -57.0 MB). Peak memory consumption was 443.1 MB. Max. memory is 7.1 GB. [2020-08-21 19:31:24,422 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 19:31:24,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.04 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 169.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-08-21 19:31:24,424 INFO L168 Benchmark]: Boogie Preprocessor took 93.34 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 19:31:24,425 INFO L168 Benchmark]: RCFGBuilder took 1325.18 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 196.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-08-21 19:31:24,426 INFO L168 Benchmark]: TraceAbstraction took 19866.38 ms. Allocated memory was 234.9 MB in the beginning and 561.0 MB in the end (delta: 326.1 MB). Free memory was 196.9 MB in the beginning and 158.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 443.3 MB. Max. memory is 7.1 GB. [2020-08-21 19:31:24,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.04 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 169.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.34 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.18 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 196.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19866.38 ms. Allocated memory was 234.9 MB in the beginning and 561.0 MB in the end (delta: 326.1 MB). Free memory was 196.9 MB in the beginning and 158.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 443.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: 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: 257]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 475 SDtfs, 755 SDslu, 298 SDs, 0 SdLazy, 1733 SolverSat, 472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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, 152 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 329 PreInvPairs, 355 NumberOfFragments, 705 HoareAnnotationTreeSize, 329 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7972 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 78406 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...