/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=DEEPEST --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_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:24:41,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:24:41,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:24:41,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:24:41,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:24:41,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:24:41,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:24:41,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:24:41,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:24:41,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:24:41,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:24:41,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:24:41,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:24:41,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:24:41,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:24:41,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:24:41,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:24:41,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:24:41,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:24:41,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:24:41,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:24:41,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:24:41,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:24:41,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:24:41,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:24:41,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:24:41,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:24:41,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:24:41,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:24:41,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:24:41,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:24:41,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:24:41,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:24:41,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:24:41,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:24:41,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:24:41,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:24:41,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:24:41,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:24:41,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:24:41,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:24:41,383 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 20:24:41,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:24:41,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:24:41,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:24:41,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:24:41,407 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:24:41,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:24:41,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:24:41,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:24:41,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:24:41,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:24:41,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:24:41,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:24:41,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:24:41,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:24:41,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:24:41,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:24:41,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:24:41,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:24:41,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:24:41,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:24:41,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:24:41,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:24:41,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:24:41,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:24:41,412 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=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:24:41,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:24:41,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:24:41,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:24:41,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:24:41,771 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:24:41,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-08-21 20:24:41,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba13ce7bb/2c61ecb364a04c928a1e4e410071f97d/FLAGb4624ea5e [2020-08-21 20:24:42,359 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:24:42,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-08-21 20:24:42,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba13ce7bb/2c61ecb364a04c928a1e4e410071f97d/FLAGb4624ea5e [2020-08-21 20:24:42,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba13ce7bb/2c61ecb364a04c928a1e4e410071f97d [2020-08-21 20:24:42,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:24:42,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:24:42,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:24:42,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:24:42,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:24:42,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42, skipping insertion in model container [2020-08-21 20:24:42,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:24:42,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:24:43,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:24:43,289 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:24:43,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:24:43,463 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:24:43,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43 WrapperNode [2020-08-21 20:24:43,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:24:43,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:24:43,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:24:43,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:24:43,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (1/1) ... [2020-08-21 20:24:43,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:24:43,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:24:43,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:24:43,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:24:43,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (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 20:24:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:24:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:24:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:24:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:24:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:24:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:24:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:24:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:24:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:24:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 20:24:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:24:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 20:24:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:24:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:24:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:24:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:24:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:24:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:24:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 20:24:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:24:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:24:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:24:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:24:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:24:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:24:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:24:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:24:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:24:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:24:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:24:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:24:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:24:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:24:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 20:24:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:24:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:24:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:24:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:24:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:24:44,577 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:24:44,577 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:24:44,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:24:44 BoogieIcfgContainer [2020-08-21 20:24:44,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:24:44,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:24:44,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:24:44,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:24:44,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:24:42" (1/3) ... [2020-08-21 20:24:44,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150de2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:24:44, skipping insertion in model container [2020-08-21 20:24:44,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:43" (2/3) ... [2020-08-21 20:24:44,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150de2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:24:44, skipping insertion in model container [2020-08-21 20:24:44,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:24:44" (3/3) ... [2020-08-21 20:24:44,591 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-08-21 20:24:44,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:24:44,610 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:24:44,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:24:44,650 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:24:44,650 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:24:44,650 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:24:44,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:24:44,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:24:44,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:24:44,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:24:44,651 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:24:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-08-21 20:24:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 20:24:44,682 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:44,684 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 20:24:44,684 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1990004152, now seen corresponding path program 1 times [2020-08-21 20:24:44,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:44,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67764927] [2020-08-21 20:24:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,353 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:45,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 20:24:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 20:24:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,452 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 20:24:45,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67764927] [2020-08-21 20:24:45,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:45,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 20:24:45,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215776681] [2020-08-21 20:24:45,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 20:24:45,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:45,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 20:24:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:24:45,491 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-08-21 20:24:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:46,605 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-08-21 20:24:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 20:24:46,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 20:24:46,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:46,622 INFO L225 Difference]: With dead ends: 252 [2020-08-21 20:24:46,622 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 20:24:46,627 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 20:24:46,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 20:24:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-21 20:24:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 20:24:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-21 20:24:46,744 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-08-21 20:24:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:46,745 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-21 20:24:46,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 20:24:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-21 20:24:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 20:24:46,751 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:46,752 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 20:24:46,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:24:46,752 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:46,753 INFO L82 PathProgramCache]: Analyzing trace with hash 925385075, now seen corresponding path program 1 times [2020-08-21 20:24:46,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:46,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499722063] [2020-08-21 20:24:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,098 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:47,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 20:24:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,176 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 20:24:47,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499722063] [2020-08-21 20:24:47,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:47,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:24:47,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720256855] [2020-08-21 20:24:47,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:24:47,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:47,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:24:47,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:24:47,182 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-08-21 20:24:47,682 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:48,348 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-08-21 20:24:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:24:48,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 20:24:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:48,354 INFO L225 Difference]: With dead ends: 181 [2020-08-21 20:24:48,354 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 20:24:48,358 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 20:24:48,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 20:24:48,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 20:24:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 20:24:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-08-21 20:24:48,419 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-08-21 20:24:48,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:48,419 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-08-21 20:24:48,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:24:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-08-21 20:24:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 20:24:48,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:48,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:48,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:24:48,432 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:48,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1884487534, now seen corresponding path program 1 times [2020-08-21 20:24:48,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:48,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500879320] [2020-08-21 20:24:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,829 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 20:24:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 20:24:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:48,954 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 20:24:48,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500879320] [2020-08-21 20:24:48,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:48,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:24:48,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080101780] [2020-08-21 20:24:48,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:24:48,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:24:48,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:24:48,958 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 8 states. [2020-08-21 20:24:49,323 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:49,633 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:49,880 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:50,087 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:50,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:50,996 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-08-21 20:24:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:24:51,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 20:24:51,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:51,002 INFO L225 Difference]: With dead ends: 194 [2020-08-21 20:24:51,002 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 20:24:51,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:51,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 20:24:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 20:24:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 20:24:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-08-21 20:24:51,033 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-08-21 20:24:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:51,034 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-08-21 20:24:51,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:24:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-08-21 20:24:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 20:24:51,035 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:51,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:51,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:24:51,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:51,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1119651887, now seen corresponding path program 1 times [2020-08-21 20:24:51,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:51,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553777287] [2020-08-21 20:24:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,335 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:51,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 20:24:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 20:24:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 20:24:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:51,457 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 20:24:51,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553777287] [2020-08-21 20:24:51,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:51,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 20:24:51,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497599308] [2020-08-21 20:24:51,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:24:51,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:51,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:24:51,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:51,460 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states. [2020-08-21 20:24:51,993 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:52,302 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:52,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:52,791 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:53,403 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:54,110 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:54,450 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:54,727 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:54,989 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:55,227 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:24:55,594 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:55,861 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:56,164 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:57,134 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2020-08-21 20:24:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:24:57,134 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-08-21 20:24:57,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:57,140 INFO L225 Difference]: With dead ends: 372 [2020-08-21 20:24:57,140 INFO L226 Difference]: Without dead ends: 299 [2020-08-21 20:24:57,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:24:57,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-21 20:24:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-08-21 20:24:57,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-21 20:24:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2020-08-21 20:24:57,207 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60 [2020-08-21 20:24:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:57,208 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2020-08-21 20:24:57,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:24:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2020-08-21 20:24:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 20:24:57,210 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:57,210 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 20:24:57,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:24:57,210 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:57,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:57,211 INFO L82 PathProgramCache]: Analyzing trace with hash -466732751, now seen corresponding path program 1 times [2020-08-21 20:24:57,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:57,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033868542] [2020-08-21 20:24:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,464 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 20:24:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 20:24:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 20:24:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,585 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 20:24:57,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033868542] [2020-08-21 20:24:57,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:57,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 20:24:57,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46680471] [2020-08-21 20:24:57,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:24:57,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:57,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:24:57,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:24:57,592 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 6 states. [2020-08-21 20:24:57,931 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:58,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:58,432 INFO L93 Difference]: Finished difference Result 382 states and 463 transitions. [2020-08-21 20:24:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:24:58,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 20:24:58,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:58,437 INFO L225 Difference]: With dead ends: 382 [2020-08-21 20:24:58,440 INFO L226 Difference]: Without dead ends: 176 [2020-08-21 20:24:58,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:24:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-21 20:24:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-08-21 20:24:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-21 20:24:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-08-21 20:24:58,477 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2020-08-21 20:24:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:58,477 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-08-21 20:24:58,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:24:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-08-21 20:24:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-21 20:24:58,479 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:58,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:58,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:24:58,480 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:58,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:58,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1684356351, now seen corresponding path program 1 times [2020-08-21 20:24:58,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:58,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252192473] [2020-08-21 20:24:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,766 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:24:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:24:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:24:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 20:24:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-21 20:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 20:24:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 20:24:58,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252192473] [2020-08-21 20:24:58,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:24:58,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:24:58,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523105836] [2020-08-21 20:24:58,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:24:58,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:58,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:24:58,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:24:58,907 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 10 states. [2020-08-21 20:24:59,544 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 20:25:00,085 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:25:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:25:00,658 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-08-21 20:25:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:25:00,659 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-08-21 20:25:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:25:00,660 INFO L225 Difference]: With dead ends: 220 [2020-08-21 20:25:00,660 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:25:00,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:25:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:25:00,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:25:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:25:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:25:00,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-08-21 20:25:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:25:00,663 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:25:00,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:25:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:25:00,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:25:00,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:25:00,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:25:02,916 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 20:25:03,378 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:03,613 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:04,343 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-21 20:25:04,548 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:25:04,942 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 20:25:05,145 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:05,830 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-21 20:25:06,205 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 20:25:06,966 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 20:25:07,676 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 20:25:08,143 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:25:08,749 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-21 20:25:08,926 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:09,350 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:09,685 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:10,036 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:10,385 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:10,562 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:11,239 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 20:25:11,692 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:25:11,726 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-08-21 20:25:11,727 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-08-21 20:25:11,728 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-08-21 20:25:11,729 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-08-21 20:25:11,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-08-21 20:25:11,729 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2020-08-21 20:25:11,729 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2020-08-21 20:25:11,729 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2020-08-21 20:25:11,729 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2020-08-21 20:25:11,729 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2020-08-21 20:25:11,732 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2020-08-21 20:25:11,732 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:11,732 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2020-08-21 20:25:11,732 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L271 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: true [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-21 20:25:11,733 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-21 20:25:11,735 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,736 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,736 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,737 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-21 20:25:11,737 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-21 20:25:11,737 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,737 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,737 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-21 20:25:11,737 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 20:25:11,737 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 20:25:11,738 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 20:25:11,738 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 20:25:11,738 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 20:25:11,738 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 20:25:11,738 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 20:25:11,739 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L374(lines 374 382) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 382) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 355 390) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-08-21 20:25:11,740 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-08-21 20:25:11,741 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-08-21 20:25:11,742 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-08-21 20:25:11,742 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,742 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-21 20:25:11,742 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-21 20:25:11,742 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2020-08-21 20:25:11,742 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2020-08-21 20:25:11,742 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2020-08-21 20:25:11,743 INFO L271 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: true [2020-08-21 20:25:11,743 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-08-21 20:25:11,743 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2020-08-21 20:25:11,743 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2020-08-21 20:25:11,743 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2020-08-21 20:25:11,743 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:25:11,743 INFO L268 CegarLoopResult]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2020-08-21 20:25:11,744 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2020-08-21 20:25:11,744 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:11,744 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:25:11,744 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:11,744 INFO L268 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-08-21 20:25:11,744 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:11,745 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-21 20:25:11,745 INFO L268 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-08-21 20:25:11,745 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2020-08-21 20:25:11,745 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2020-08-21 20:25:11,745 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-08-21 20:25:11,745 INFO L264 CegarLoopResult]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,745 INFO L264 CegarLoopResult]: At program point L448-2(lines 440 453) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,746 INFO L268 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2020-08-21 20:25:11,746 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,746 INFO L268 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-08-21 20:25:11,746 INFO L268 CegarLoopResult]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2020-08-21 20:25:11,746 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,746 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-08-21 20:25:11,747 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-08-21 20:25:11,747 INFO L264 CegarLoopResult]: At program point L455(lines 410 457) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,747 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,747 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-08-21 20:25:11,747 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2020-08-21 20:25:11,747 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-08-21 20:25:11,747 INFO L264 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-08-21 20:25:11,748 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-08-21 20:25:11,749 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-08-21 20:25:11,750 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2020-08-21 20:25:11,751 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,751 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)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 319 326) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-08-21 20:25:11,752 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-08-21 20:25:11,753 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,753 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-08-21 20:25:11,753 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,753 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,753 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,753 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:11,753 INFO L264 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:11,754 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:11,754 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 20:25:11,754 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2020-08-21 20:25:11,754 INFO L268 CegarLoopResult]: For program point L266(lines 265 284) no Hoare annotation was computed. [2020-08-21 20:25:11,754 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2020-08-21 20:25:11,754 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 20:25:11,754 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 20:25:11,755 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 20:25:11,755 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 20:25:11,755 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 20:25:11,755 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 20:25:11,755 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 20:25:11,755 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 20:25:11,755 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 20:25:11,755 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 20:25:11,756 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-08-21 20:25:11,756 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-08-21 20:25:11,756 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-08-21 20:25:11,756 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-08-21 20:25:11,756 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-08-21 20:25:11,756 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-08-21 20:25:11,756 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 20:25:11,756 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 20:25:11,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,757 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 20:25:11,757 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:25:11,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:11,757 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-08-21 20:25:11,757 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:25:11,757 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-08-21 20:25:11,757 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-08-21 20:25:11,758 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-08-21 20:25:11,758 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:25:11,758 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2020-08-21 20:25:11,758 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-08-21 20:25:11,758 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2020-08-21 20:25:11,758 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2020-08-21 20:25:11,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:25:11 BoogieIcfgContainer [2020-08-21 20:25:11,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:25:11,782 INFO L168 Benchmark]: Toolchain (without parser) took 29016.74 ms. Allocated memory was 137.9 MB in the beginning and 696.3 MB in the end (delta: 558.4 MB). Free memory was 99.8 MB in the beginning and 175.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 547.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,784 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.53 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 169.6 MB in the end (delta: -70.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,791 INFO L168 Benchmark]: Boogie Preprocessor took 105.28 ms. Allocated memory is still 200.8 MB. Free memory was 169.6 MB in the beginning and 165.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,792 INFO L168 Benchmark]: RCFGBuilder took 1012.49 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 199.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,793 INFO L168 Benchmark]: TraceAbstraction took 27193.68 ms. Allocated memory was 231.2 MB in the beginning and 696.3 MB in the end (delta: 465.0 MB). Free memory was 199.1 MB in the beginning and 175.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 553.6 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:11,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.53 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 169.6 MB in the end (delta: -70.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.28 ms. Allocated memory is still 200.8 MB. Free memory was 169.6 MB in the beginning and 165.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1012.49 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 199.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27193.68 ms. Allocated memory was 231.2 MB in the beginning and 696.3 MB in the end (delta: 465.0 MB). Free memory was 199.1 MB in the beginning and 175.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 553.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 516 SDtfs, 1016 SDslu, 365 SDs, 0 SdLazy, 2247 SolverSat, 713 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred 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, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 51204 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9024 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 114032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 25/32 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...