/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:30:25,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:30:25,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:30:25,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:30:25,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:30:25,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:30:25,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:30:25,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:30:25,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:30:25,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:30:25,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:30:25,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:30:25,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:30:25,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:30:25,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:30:25,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:30:25,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:30:25,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:30:25,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:30:25,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:30:25,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:30:25,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:30:25,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:30:25,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:30:25,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:30:25,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:30:25,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:30:25,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:30:25,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:30:25,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:30:25,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:30:25,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:30:25,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:30:25,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:30:25,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:30:25,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:30:25,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:30:25,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:30:25,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:30:25,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:30:25,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:30:25,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 00:30:25,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:30:25,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:30:25,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:30:25,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:30:25,498 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:30:25,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:30:25,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:30:25,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:30:25,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:30:25,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:30:25,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:30:25,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:30:25,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:30:25,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:30:25,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:30:25,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:30:25,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:30:25,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:30:25,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:30:25,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:30:25,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:30:25,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:30:25,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:30:25,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:30:25,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:30:25,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:30:25,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:30:25,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:30:25,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:30:25,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:30:25,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:30:25,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:30:25,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:30:25,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:30:25,860 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:30:25,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-22 00:30:25,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5b7602bb/3ff8d98f918d41c7a966c02aae583792/FLAG8dbd70214 [2020-08-22 00:30:26,483 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:30:26,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-22 00:30:26,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5b7602bb/3ff8d98f918d41c7a966c02aae583792/FLAG8dbd70214 [2020-08-22 00:30:26,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5b7602bb/3ff8d98f918d41c7a966c02aae583792 [2020-08-22 00:30:26,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:30:26,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:30:26,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:30:26,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:30:26,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:30:26,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:30:26" (1/1) ... [2020-08-22 00:30:26,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2ce9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:26, skipping insertion in model container [2020-08-22 00:30:26,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:30:26" (1/1) ... [2020-08-22 00:30:26,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:30:26,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:30:27,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:30:27,341 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:30:27,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:30:27,453 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:30:27,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27 WrapperNode [2020-08-22 00:30:27,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:30:27,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:30:27,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:30:27,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:30:27,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... [2020-08-22 00:30:27,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:30:27,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:30:27,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:30:27,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:30:27,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:30:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:30:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:30:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 00:30:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 00:30:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 00:30:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 00:30:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 00:30:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 00:30:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 00:30:27,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 00:30:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 00:30:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 00:30:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 00:30:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 00:30:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:30:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 00:30:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:30:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 00:30:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 00:30:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 00:30:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 00:30:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 00:30:27,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 00:30:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:30:28,787 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:30:28,787 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 00:30:28,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:30:28 BoogieIcfgContainer [2020-08-22 00:30:28,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:30:28,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:30:28,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:30:28,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:30:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:30:26" (1/3) ... [2020-08-22 00:30:28,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b19f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:30:28, skipping insertion in model container [2020-08-22 00:30:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:30:27" (2/3) ... [2020-08-22 00:30:28,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b19f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:30:28, skipping insertion in model container [2020-08-22 00:30:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:30:28" (3/3) ... [2020-08-22 00:30:28,802 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-08-22 00:30:28,813 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:30:28,822 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:30:28,836 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:30:28,861 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:30:28,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:30:28,862 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:30:28,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:30:28,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:30:28,864 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:30:28,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:30:28,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:30:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-08-22 00:30:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 00:30:28,910 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:28,912 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:28,912 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:28,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:28,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2020-08-22 00:30:28,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:28,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051030994] [2020-08-22 00:30:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,663 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:30:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 00:30:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 00:30:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:29,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051030994] [2020-08-22 00:30:29,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:29,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 00:30:29,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513389422] [2020-08-22 00:30:29,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 00:30:29,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:29,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 00:30:29,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 00:30:29,814 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-08-22 00:30:30,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:30,867 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2020-08-22 00:30:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 00:30:30,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-22 00:30:30,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:30,882 INFO L225 Difference]: With dead ends: 265 [2020-08-22 00:30:30,883 INFO L226 Difference]: Without dead ends: 147 [2020-08-22 00:30:30,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 00:30:30,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-22 00:30:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-08-22 00:30:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-22 00:30:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-22 00:30:30,966 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2020-08-22 00:30:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:30,967 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-22 00:30:30,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 00:30:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-22 00:30:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-22 00:30:30,971 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:30,971 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:30,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:30:30,972 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:30,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:30,972 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2020-08-22 00:30:30,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:30,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491788209] [2020-08-22 00:30:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,286 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:30:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 00:30:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 00:30:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:31,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491788209] [2020-08-22 00:30:31,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:31,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 00:30:31,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760278391] [2020-08-22 00:30:31,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:30:31,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:31,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:30:31,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:30:31,351 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-22 00:30:31,827 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:32,557 INFO L93 Difference]: Finished difference Result 206 states and 252 transitions. [2020-08-22 00:30:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:30:32,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-22 00:30:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:32,563 INFO L225 Difference]: With dead ends: 206 [2020-08-22 00:30:32,563 INFO L226 Difference]: Without dead ends: 137 [2020-08-22 00:30:32,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:30:32,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-22 00:30:32,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-22 00:30:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-22 00:30:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-22 00:30:32,599 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2020-08-22 00:30:32,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:32,600 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-22 00:30:32,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:30:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-22 00:30:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-22 00:30:32,602 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:32,602 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:32,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:30:32,603 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:32,603 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2020-08-22 00:30:32,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:32,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102626225] [2020-08-22 00:30:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:32,956 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 00:30:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 00:30:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:33,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102626225] [2020-08-22 00:30:33,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:33,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 00:30:33,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758539647] [2020-08-22 00:30:33,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 00:30:33,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:33,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 00:30:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 00:30:33,100 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-22 00:30:33,522 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:33,838 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:34,092 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:34,360 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:35,408 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2020-08-22 00:30:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:30:35,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-22 00:30:35,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:35,411 INFO L225 Difference]: With dead ends: 219 [2020-08-22 00:30:35,418 INFO L226 Difference]: Without dead ends: 137 [2020-08-22 00:30:35,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:30:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-22 00:30:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-22 00:30:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-22 00:30:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-08-22 00:30:35,468 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2020-08-22 00:30:35,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:35,471 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-08-22 00:30:35,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 00:30:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-08-22 00:30:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-22 00:30:35,481 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:35,481 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:35,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:30:35,482 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:35,482 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2020-08-22 00:30:35,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:35,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709102523] [2020-08-22 00:30:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,866 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 00:30:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 00:30:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:30:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:35,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709102523] [2020-08-22 00:30:35,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:35,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:30:35,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734997966] [2020-08-22 00:30:35,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:30:35,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:35,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:30:35,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:30:35,961 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 7 states. [2020-08-22 00:30:36,395 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:37,867 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:38,226 INFO L93 Difference]: Finished difference Result 314 states and 394 transitions. [2020-08-22 00:30:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 00:30:38,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-08-22 00:30:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:38,231 INFO L225 Difference]: With dead ends: 314 [2020-08-22 00:30:38,231 INFO L226 Difference]: Without dead ends: 232 [2020-08-22 00:30:38,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:30:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-08-22 00:30:38,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2020-08-22 00:30:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-08-22 00:30:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2020-08-22 00:30:38,279 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2020-08-22 00:30:38,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:38,280 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2020-08-22 00:30:38,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:30:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2020-08-22 00:30:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-22 00:30:38,282 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:38,282 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:38,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:30:38,282 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:38,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:38,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2020-08-22 00:30:38,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:38,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991723789] [2020-08-22 00:30:38,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,600 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:38,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 00:30:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-22 00:30:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 00:30:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 00:30:38,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991723789] [2020-08-22 00:30:38,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:38,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 00:30:38,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241993284] [2020-08-22 00:30:38,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 00:30:38,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 00:30:38,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 00:30:38,764 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 9 states. [2020-08-22 00:30:39,243 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:39,957 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:40,622 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:40,939 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:41,426 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:41,692 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:42,071 INFO L93 Difference]: Finished difference Result 389 states and 479 transitions. [2020-08-22 00:30:42,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 00:30:42,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-22 00:30:42,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:42,075 INFO L225 Difference]: With dead ends: 389 [2020-08-22 00:30:42,076 INFO L226 Difference]: Without dead ends: 231 [2020-08-22 00:30:42,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-22 00:30:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-08-22 00:30:42,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 185. [2020-08-22 00:30:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-22 00:30:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2020-08-22 00:30:42,136 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2020-08-22 00:30:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:42,137 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2020-08-22 00:30:42,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 00:30:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2020-08-22 00:30:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 00:30:42,138 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:42,138 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:42,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:30:42,139 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:42,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:42,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2020-08-22 00:30:42,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:42,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542567491] [2020-08-22 00:30:42,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,398 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:42,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 00:30:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 00:30:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 00:30:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:42,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542567491] [2020-08-22 00:30:42,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:42,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 00:30:42,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053475690] [2020-08-22 00:30:42,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 00:30:42,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:42,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 00:30:42,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 00:30:42,535 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 9 states. [2020-08-22 00:30:43,944 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:44,200 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 00:30:44,461 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:44,704 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:45,275 INFO L93 Difference]: Finished difference Result 387 states and 475 transitions. [2020-08-22 00:30:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 00:30:45,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-08-22 00:30:45,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:45,285 INFO L225 Difference]: With dead ends: 387 [2020-08-22 00:30:45,285 INFO L226 Difference]: Without dead ends: 230 [2020-08-22 00:30:45,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:30:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-22 00:30:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 190. [2020-08-22 00:30:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-22 00:30:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2020-08-22 00:30:45,346 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2020-08-22 00:30:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:45,347 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2020-08-22 00:30:45,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 00:30:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2020-08-22 00:30:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 00:30:45,348 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:45,348 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:45,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:30:45,349 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:45,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2020-08-22 00:30:45,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:45,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391210931] [2020-08-22 00:30:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,675 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 00:30:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 00:30:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 00:30:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:45,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391210931] [2020-08-22 00:30:45,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:45,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 00:30:45,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589634812] [2020-08-22 00:30:45,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:30:45,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:45,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:30:45,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:30:45,847 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 11 states. [2020-08-22 00:30:46,633 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:46,871 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:47,104 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:47,847 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:48,104 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:48,348 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:49,029 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2020-08-22 00:30:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 00:30:49,030 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-08-22 00:30:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:49,032 INFO L225 Difference]: With dead ends: 399 [2020-08-22 00:30:49,032 INFO L226 Difference]: Without dead ends: 237 [2020-08-22 00:30:49,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-22 00:30:49,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-08-22 00:30:49,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 194. [2020-08-22 00:30:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-08-22 00:30:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2020-08-22 00:30:49,084 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2020-08-22 00:30:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:49,085 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2020-08-22 00:30:49,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:30:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-08-22 00:30:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 00:30:49,087 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:49,087 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:49,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 00:30:49,088 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2020-08-22 00:30:49,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:49,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973509578] [2020-08-22 00:30:49,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,416 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:30:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 00:30:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 00:30:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 00:30:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:49,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973509578] [2020-08-22 00:30:49,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:49,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:30:49,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638495838] [2020-08-22 00:30:49,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:30:49,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:49,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:30:49,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:30:49,537 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 7 states. [2020-08-22 00:30:49,854 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:50,386 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:51,819 INFO L93 Difference]: Finished difference Result 571 states and 717 transitions. [2020-08-22 00:30:51,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 00:30:51,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-08-22 00:30:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:51,823 INFO L225 Difference]: With dead ends: 571 [2020-08-22 00:30:51,824 INFO L226 Difference]: Without dead ends: 405 [2020-08-22 00:30:51,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-22 00:30:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-08-22 00:30:51,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 363. [2020-08-22 00:30:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-08-22 00:30:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 424 transitions. [2020-08-22 00:30:51,908 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 424 transitions. Word has length 88 [2020-08-22 00:30:51,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:51,908 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 424 transitions. [2020-08-22 00:30:51,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:30:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 424 transitions. [2020-08-22 00:30:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-08-22 00:30:51,913 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:51,913 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:51,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 00:30:51,914 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:51,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2020-08-22 00:30:51,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:51,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146406826] [2020-08-22 00:30:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,261 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:30:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 00:30:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 00:30:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 00:30:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 00:30:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 00:30:52,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146406826] [2020-08-22 00:30:52,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:30:52,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 00:30:52,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449614603] [2020-08-22 00:30:52,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:30:52,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:52,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:30:52,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:30:52,421 INFO L87 Difference]: Start difference. First operand 363 states and 424 transitions. Second operand 12 states. [2020-08-22 00:30:52,939 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:53,608 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:54,525 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:54,832 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:55,071 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 00:30:55,335 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:55,580 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 00:30:56,354 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:30:56,596 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:30:57,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:30:57,136 INFO L93 Difference]: Finished difference Result 1001 states and 1242 transitions. [2020-08-22 00:30:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-22 00:30:57,138 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-08-22 00:30:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:30:57,144 INFO L225 Difference]: With dead ends: 1001 [2020-08-22 00:30:57,144 INFO L226 Difference]: Without dead ends: 735 [2020-08-22 00:30:57,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 00:30:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-08-22 00:30:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 616. [2020-08-22 00:30:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-08-22 00:30:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 712 transitions. [2020-08-22 00:30:57,272 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 712 transitions. Word has length 92 [2020-08-22 00:30:57,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:30:57,272 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 712 transitions. [2020-08-22 00:30:57,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:30:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 712 transitions. [2020-08-22 00:30:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-22 00:30:57,275 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:30:57,275 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:30:57,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 00:30:57,276 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:30:57,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:30:57,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2020-08-22 00:30:57,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:30:57,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365155948] [2020-08-22 00:30:57,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:30:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,584 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:30:57,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:30:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:30:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:30:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:30:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:30:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:30:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 00:30:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:30:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 00:30:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:30:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:30:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 00:30:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:30:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-22 00:30:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-08-22 00:30:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:30:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 00:30:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-22 00:30:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:30:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 00:30:57,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365155948] [2020-08-22 00:30:57,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:30:57,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 00:30:57,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935929120] [2020-08-22 00:30:57,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 00:30:57,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:30:57,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 00:30:57,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-22 00:30:57,892 INFO L87 Difference]: Start difference. First operand 616 states and 712 transitions. Second operand 16 states. [2020-08-22 00:30:58,616 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 00:30:58,959 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 00:30:59,234 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 00:30:59,488 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 00:31:00,192 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 00:31:00,489 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 00:31:00,956 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-08-22 00:31:01,559 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:31:01,917 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 00:31:03,137 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 00:31:03,429 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 00:31:03,956 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 00:31:04,281 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 00:31:05,006 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 00:31:05,770 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 00:31:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:31:06,078 INFO L93 Difference]: Finished difference Result 973 states and 1146 transitions. [2020-08-22 00:31:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 00:31:06,079 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2020-08-22 00:31:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:31:06,080 INFO L225 Difference]: With dead ends: 973 [2020-08-22 00:31:06,080 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:31:06,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2020-08-22 00:31:06,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:31:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:31:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:31:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:31:06,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-08-22 00:31:06,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:31:06,087 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:31:06,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 00:31:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:31:06,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:31:06,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 00:31:06,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:31:07,182 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-22 00:31:08,454 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-22 00:31:10,196 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 224 [2020-08-22 00:31:10,375 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-08-22 00:31:10,648 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-22 00:31:11,302 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-08-22 00:31:11,523 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-08-22 00:31:11,684 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 00:31:11,849 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 00:31:12,294 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 32 [2020-08-22 00:31:12,431 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-08-22 00:31:12,607 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 00:31:12,933 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-08-22 00:31:13,305 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2020-08-22 00:31:13,450 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-22 00:31:14,263 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-08-22 00:31:14,440 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 00:31:15,028 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-08-22 00:31:15,226 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:31:15,403 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 00:31:15,932 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-22 00:31:16,778 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-08-22 00:31:16,916 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-22 00:31:17,116 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-08-22 00:31:17,931 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2020-08-22 00:31:18,106 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 15 [2020-08-22 00:31:18,929 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-08-22 00:31:19,778 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 27 [2020-08-22 00:31:20,073 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-22 00:31:20,641 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-08-22 00:31:20,814 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-22 00:31:20,978 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 00:31:21,261 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-08-22 00:31:21,445 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 00:31:21,670 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-08-22 00:31:21,808 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-22 00:31:21,964 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-08-22 00:31:22,154 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 00:31:22,323 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 00:31:22,635 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-22 00:31:22,888 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-22 00:31:23,062 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 00:31:23,237 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-22 00:31:23,804 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-22 00:31:23,809 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-08-22 00:31:23,809 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-08-22 00:31:23,809 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-08-22 00:31:23,810 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-22 00:31:23,811 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-08-22 00:31:23,812 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-22 00:31:23,812 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-22 00:31:23,812 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-22 00:31:23,812 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-22 00:31:23,812 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-22 00:31:23,812 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-22 00:31:23,812 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2020-08-22 00:31:23,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2020-08-22 00:31:23,813 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-22 00:31:23,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2020-08-22 00:31:23,813 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-22 00:31:23,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2020-08-22 00:31:23,813 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-22 00:31:23,814 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-22 00:31:23,814 INFO L268 CegarLoopResult]: For program point L824(lines 824 834) no Hoare annotation was computed. [2020-08-22 00:31:23,814 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-22 00:31:23,814 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-08-22 00:31:23,814 INFO L268 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-08-22 00:31:23,814 INFO L268 CegarLoopResult]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2020-08-22 00:31:23,814 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-08-22 00:31:23,815 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-22 00:31:23,815 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2020-08-22 00:31:23,815 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2020-08-22 00:31:23,815 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,815 INFO L264 CegarLoopResult]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,815 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,816 INFO L268 CegarLoopResult]: For program point L925(lines 925 932) no Hoare annotation was computed. [2020-08-22 00:31:23,816 INFO L268 CegarLoopResult]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2020-08-22 00:31:23,816 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-08-22 00:31:23,816 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,816 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,816 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2020-08-22 00:31:23,816 INFO L264 CegarLoopResult]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-22 00:31:23,817 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-22 00:31:23,818 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-08-22 00:31:23,819 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-22 00:31:23,820 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-08-22 00:31:23,821 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-08-22 00:31:23,822 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:31:23,822 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:31:23,822 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2020-08-22 00:31:23,822 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2020-08-22 00:31:23,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2020-08-22 00:31:23,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2020-08-22 00:31:23,822 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point L714-1(line 714) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2020-08-22 00:31:23,823 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2020-08-22 00:31:23,823 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2020-08-22 00:31:23,824 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-08-22 00:31:23,824 INFO L268 CegarLoopResult]: For program point L672(lines 672 689) no Hoare annotation was computed. [2020-08-22 00:31:23,824 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2020-08-22 00:31:23,824 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 668 692) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 00:31:23,824 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 00:31:23,824 INFO L268 CegarLoopResult]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2020-08-22 00:31:23,825 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse1 .cse0 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 00:31:23,825 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 00:31:23,825 INFO L268 CegarLoopResult]: For program point L676(lines 676 684) no Hoare annotation was computed. [2020-08-22 00:31:23,825 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-22 00:31:23,825 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2020-08-22 00:31:23,825 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2020-08-22 00:31:23,826 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:31:23,826 INFO L268 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-08-22 00:31:23,826 INFO L264 CegarLoopResult]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-22 00:31:23,826 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-08-22 00:31:23,826 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-22 00:31:23,826 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-08-22 00:31:23,826 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-08-22 00:31:23,827 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 00:31:23,827 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-08-22 00:31:23,827 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-08-22 00:31:23,827 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 00:31:23,827 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-08-22 00:31:23,828 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point L515(lines 515 523) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-22 00:31:23,829 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-08-22 00:31:23,830 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-22 00:31:23,831 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,832 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~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 00:31:23,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,832 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2020-08-22 00:31:23,832 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2020-08-22 00:31:23,832 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-22 00:31:23,832 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-08-22 00:31:23,833 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2020-08-22 00:31:23,833 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-08-22 00:31:23,833 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2020-08-22 00:31:23,834 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point L640(lines 636 658) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point L638(lines 636 658) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse4 .cse0 .cse2))) [2020-08-22 00:31:23,835 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2020-08-22 00:31:23,835 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-22 00:31:23,836 INFO L264 CegarLoopResult]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-22 00:31:23,836 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2020-08-22 00:31:23,836 INFO L264 CegarLoopResult]: At program point L642(line 642) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-22 00:31:23,836 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-22 00:31:23,836 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2020-08-22 00:31:23,836 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2020-08-22 00:31:23,836 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-08-22 00:31:23,837 INFO L271 CegarLoopResult]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2020-08-22 00:31:23,837 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-22 00:31:23,837 INFO L271 CegarLoopResult]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2020-08-22 00:31:23,837 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-08-22 00:31:23,837 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-22 00:31:23,837 INFO L271 CegarLoopResult]: At program point L868(lines 843 872) the Hoare annotation is: true [2020-08-22 00:31:23,837 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-08-22 00:31:23,838 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-22 00:31:23,838 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2020-08-22 00:31:23,838 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2020-08-22 00:31:23,838 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2020-08-22 00:31:23,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,838 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 00:31:23,838 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:31:23,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:31:23,838 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2020-08-22 00:31:23,839 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse3 (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse4))) [2020-08-22 00:31:23,839 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2020-08-22 00:31:23,839 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2020-08-22 00:31:23,839 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-08-22 00:31:23,839 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-22 00:31:23,839 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-22 00:31:23,840 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-22 00:31:23,840 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-22 00:31:23,840 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-22 00:31:23,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:31:23 BoogieIcfgContainer [2020-08-22 00:31:23,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:31:23,859 INFO L168 Benchmark]: Toolchain (without parser) took 57070.81 ms. Allocated memory was 138.4 MB in the beginning and 772.8 MB in the end (delta: 634.4 MB). Free memory was 99.4 MB in the beginning and 96.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 657.3 MB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,860 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.36 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 99.2 MB in the beginning and 167.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,861 INFO L168 Benchmark]: Boogie Preprocessor took 108.54 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,862 INFO L168 Benchmark]: RCFGBuilder took 1229.47 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 192.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,863 INFO L168 Benchmark]: TraceAbstraction took 55063.48 ms. Allocated memory was 232.8 MB in the beginning and 772.8 MB in the end (delta: 540.0 MB). Free memory was 192.0 MB in the beginning and 96.3 MB in the end (delta: 95.6 MB). Peak memory consumption was 655.5 MB. Max. memory is 7.1 GB. [2020-08-22 00:31:23,865 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.36 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 99.2 MB in the beginning and 167.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.54 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1229.47 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 192.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55063.48 ms. Allocated memory was 232.8 MB in the beginning and 772.8 MB in the end (delta: 540.0 MB). Free memory was 192.0 MB in the beginning and 96.3 MB in the end (delta: 95.6 MB). Peak memory consumption was 655.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1234 SDtfs, 2785 SDslu, 1814 SDs, 0 SdLazy, 6549 SolverSat, 1994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 793 PreInvPairs, 862 NumberOfFragments, 1775 HoareAnnotationTreeSize, 793 FomulaSimplifications, 28116682 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 718904 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 293610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 60/66 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...