/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:14:07,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:14:07,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:14:07,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:14:07,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:14:07,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:14:07,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:14:07,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:14:07,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:14:07,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:14:07,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:14:07,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:14:07,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:14:07,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:14:07,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:14:07,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:14:07,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:14:07,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:14:07,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:14:07,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:14:07,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:14:07,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:14:07,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:14:07,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:14:07,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:14:07,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:14:07,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:14:07,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:14:07,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:14:07,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:14:07,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:14:07,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:14:07,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:14:07,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:14:07,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:14:07,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:14:07,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:14:07,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:14:07,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:14:07,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:14:07,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:14:07,485 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 [2020-10-14 07:14:07,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:14:07,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:14:07,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:14:07,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:14:07,527 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:14:07,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:14:07,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:14:07,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:14:07,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:14:07,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:14:07,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:14:07,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:14:07,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:14:07,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:14:07,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:14:07,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:14:07,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:14:07,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:14:07,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:14:07,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:14:07,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:14:07,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:14:07,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:14:07,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:14:07,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:14:07,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:14:07,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:14:07,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:14:07,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:14:07,533 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:14:07,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:14:07,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:14:07,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:14:07,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:14:07,878 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:14:07,878 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-14 07:14:07,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08be31109/f4f50a6559d24188b1b47635693e5b24/FLAGdd794df08 [2020-10-14 07:14:08,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:14:08,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-14 07:14:08,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08be31109/f4f50a6559d24188b1b47635693e5b24/FLAGdd794df08 [2020-10-14 07:14:08,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08be31109/f4f50a6559d24188b1b47635693e5b24 [2020-10-14 07:14:08,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:14:08,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:14:08,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:14:08,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:14:08,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:14:08,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:14:08" (1/1) ... [2020-10-14 07:14:08,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12af90c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:08, skipping insertion in model container [2020-10-14 07:14:08,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:14:08" (1/1) ... [2020-10-14 07:14:08,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:14:08,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:14:09,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:14:09,177 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:14:09,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:14:09,287 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:14:09,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09 WrapperNode [2020-10-14 07:14:09,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:14:09,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:14:09,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:14:09,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:14:09,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (1/1) ... [2020-10-14 07:14:09,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:14:09,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:14:09,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:14:09,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:14:09,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (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 [2020-10-14 07:14:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:14:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:14:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:14:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:14:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 07:14:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:14:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:14:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:14:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:14:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:14:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:14:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-14 07:14:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:14:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:14:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:14:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:14:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:14:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:14:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:14:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:14:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:14:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:14:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:14:10,343 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:14:10,343 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:14:10,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:14:10 BoogieIcfgContainer [2020-10-14 07:14:10,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:14:10,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:14:10,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:14:10,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:14:10,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:14:08" (1/3) ... [2020-10-14 07:14:10,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24522bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:14:10, skipping insertion in model container [2020-10-14 07:14:10,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:09" (2/3) ... [2020-10-14 07:14:10,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24522bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:14:10, skipping insertion in model container [2020-10-14 07:14:10,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:14:10" (3/3) ... [2020-10-14 07:14:10,358 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-10-14 07:14:10,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:14:10,377 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:14:10,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:14:10,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:14:10,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:14:10,413 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:14:10,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:14:10,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:14:10,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:14:10,414 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:14:10,414 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:14:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-10-14 07:14:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 07:14:10,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:14:10,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:14:10,443 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:14:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:14:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2020-10-14 07:14:10,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:14:10,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831711184] [2020-10-14 07:14:10,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:14:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:10,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:11,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:14,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:14,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 07:14:14,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:14:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4243 [2020-10-14 07:14:14,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:14,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:14,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:14,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:14:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:14:15,311 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:14:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:14:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:15,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:14:15,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:14:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:15,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:15,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:14:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:15,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:15,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:14:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:15,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:14:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:14:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:15,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:15,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:14:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:14:15,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:14:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:14:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:15,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:15,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:15,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:15,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:15,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:15,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:14:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:14:15,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831711184] [2020-10-14 07:14:15,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:14:15,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 07:14:15,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452349908] [2020-10-14 07:14:15,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 07:14:15,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:14:15,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 07:14:15,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:14:15,478 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-10-14 07:14:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:14:16,449 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-10-14 07:14:16,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 07:14:16,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 07:14:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:14:16,470 INFO L225 Difference]: With dead ends: 247 [2020-10-14 07:14:16,470 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 07:14:16,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:14:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 07:14:16,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-10-14 07:14:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 07:14:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-10-14 07:14:16,577 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-10-14 07:14:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:14:16,578 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-10-14 07:14:16,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 07:14:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-10-14 07:14:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 07:14:16,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:14:16,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:14:16,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:14:16,582 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:14:16,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:14:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2020-10-14 07:14:16,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:14:16,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915475973] [2020-10-14 07:14:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:14:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:20,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:14:20,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:14:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4198 [2020-10-14 07:14:20,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:20,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:14:20,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 07:14:20,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,128 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:14:21,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:14:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 07:14:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:14:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:14:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:21,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:14:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:14:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:14:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:21,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:14:21,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:14:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:14:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:21,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:14:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:14:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:14:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:21,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:14:21,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:14:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:14:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:21,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:21,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:14:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:21,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:14:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:21,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:21,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:21,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:14:21,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:21,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:14:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:14:21,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915475973] [2020-10-14 07:14:21,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:14:21,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:14:21,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619714668] [2020-10-14 07:14:21,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:14:21,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:14:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:14:21,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:14:21,344 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 5 states. [2020-10-14 07:14:21,758 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:14:22,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:14:22,568 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2020-10-14 07:14:22,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:14:22,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-10-14 07:14:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:14:22,572 INFO L225 Difference]: With dead ends: 214 [2020-10-14 07:14:22,572 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 07:14:22,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:14:22,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 07:14:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-10-14 07:14:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 07:14:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-10-14 07:14:22,634 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-10-14 07:14:22,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:14:22,635 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-10-14 07:14:22,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:14:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-10-14 07:14:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 07:14:22,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:14:22,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:14:22,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:14:22,638 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:14:22,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:14:22,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2020-10-14 07:14:22,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:14:22,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520021866] [2020-10-14 07:14:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:14:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:22,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:14:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:14:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4282 [2020-10-14 07:14:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:26,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:14:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 07:14:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 07:14:26,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,260 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:14:27,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:14:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:14:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:14:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:14:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:14:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:27,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:14:27,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:14:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:27,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:27,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:14:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:27,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:14:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:14:27,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:14:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:14:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:14:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:14:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:14:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:14:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:14:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:14:27,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:14:27,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:14:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 07:14:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:27,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:14:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:14:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:14:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:14:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:14:27,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:14:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:14:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:14:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:14:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:14:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:14:27,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:14:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:14:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:14:27,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:14:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:14:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:14:27,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520021866] [2020-10-14 07:14:27,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:14:27,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:14:27,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832200211] [2020-10-14 07:14:27,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:14:27,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:14:27,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:14:27,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:14:27,445 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 8 states. [2020-10-14 07:14:27,859 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:14:28,604 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:14:28,860 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:14:29,132 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:14:29,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:14:29,303 INFO L93 Difference]: Finished difference Result 176 states and 219 transitions. [2020-10-14 07:14:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:14:29,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 07:14:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:14:29,305 INFO L225 Difference]: With dead ends: 176 [2020-10-14 07:14:29,305 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:14:29,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:14:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:14:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:14:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:14:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:14:29,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-14 07:14:29,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:14:29,310 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:14:29,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:14:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:14:29,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:14:29,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:14:29,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:14:30,718 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 07:14:30,939 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:31,158 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-10-14 07:14:31,326 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-10-14 07:14:31,494 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:31,646 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:31,829 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:14:31,995 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 07:14:32,152 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 07:14:32,290 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 07:14:32,451 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:14:32,593 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:14:32,758 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-10-14 07:14:32,928 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-10-14 07:14:33,093 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:33,238 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:33,381 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:33,531 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:33,696 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-10-14 07:14:33,842 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-14 07:14:33,869 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-10-14 07:14:33,870 INFO L268 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-10-14 07:14:33,870 INFO L268 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-10-14 07:14:33,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-10-14 07:14:33,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-10-14 07:14:33,870 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-10-14 07:14:33,871 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-10-14 07:14:33,871 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-10-14 07:14:33,871 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-10-14 07:14:33,871 INFO L268 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-10-14 07:14:33,871 INFO L268 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-10-14 07:14:33,872 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-10-14 07:14:33,873 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2020-10-14 07:14:33,873 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2020-10-14 07:14:33,873 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2020-10-14 07:14:33,873 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2020-10-14 07:14:33,873 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2020-10-14 07:14:33,873 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-10-14 07:14:33,873 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-10-14 07:14:33,874 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-10-14 07:14:33,874 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-10-14 07:14:33,874 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-10-14 07:14:33,876 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,876 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,876 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-10-14 07:14:33,876 INFO L268 CegarLoopResult]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2020-10-14 07:14:33,876 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,877 INFO L264 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,877 INFO L264 CegarLoopResult]: At program point L155-1(line 155) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2020-10-14 07:14:33,877 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-14 07:14:33,878 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2020-10-14 07:14:33,879 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-10-14 07:14:33,880 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-10-14 07:14:33,881 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-10-14 07:14:33,882 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-10-14 07:14:33,883 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2020-10-14 07:14:33,883 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2020-10-14 07:14:33,883 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2020-10-14 07:14:33,883 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2020-10-14 07:14:33,883 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2020-10-14 07:14:33,884 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2020-10-14 07:14:33,884 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2020-10-14 07:14:33,884 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,884 INFO L268 CegarLoopResult]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2020-10-14 07:14:33,884 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,884 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,884 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,884 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-10-14 07:14:33,885 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,885 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-10-14 07:14:33,885 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-10-14 07:14:33,885 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2020-10-14 07:14:33,885 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2020-10-14 07:14:33,885 INFO L264 CegarLoopResult]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:14:33,885 INFO L268 CegarLoopResult]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2020-10-14 07:14:33,885 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,886 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-14 07:14:33,886 INFO L264 CegarLoopResult]: At program point L263-2(lines 257 268) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,886 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-10-14 07:14:33,886 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-10-14 07:14:33,886 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,886 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-10-14 07:14:33,886 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,887 INFO L264 CegarLoopResult]: At program point L270(lines 227 272) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-10-14 07:14:33,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-10-14 07:14:33,888 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-10-14 07:14:33,889 INFO L268 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-10-14 07:14:33,890 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-10-14 07:14:33,891 INFO L268 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-10-14 07:14:33,891 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-10-14 07:14:33,891 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-10-14 07:14:33,891 INFO L268 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-10-14 07:14:33,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,891 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~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2020-10-14 07:14:33,892 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:14:33,893 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2020-10-14 07:14:33,893 INFO L268 CegarLoopResult]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2020-10-14 07:14:33,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,893 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,893 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,894 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,894 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,894 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2020-10-14 07:14:33,894 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,895 INFO L268 CegarLoopResult]: For program point L295(lines 294 313) no Hoare annotation was computed. [2020-10-14 07:14:33,895 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2020-10-14 07:14:33,895 INFO L271 CegarLoopResult]: At program point L96(lines 71 100) the Hoare annotation is: true [2020-10-14 07:14:33,895 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2020-10-14 07:14:33,895 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,895 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-14 07:14:33,895 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-10-14 07:14:33,895 INFO L264 CegarLoopResult]: At program point L85-1(lines 85 89) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,896 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 07:14:33,896 INFO L264 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,896 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:14:33,896 INFO L268 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-10-14 07:14:33,896 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2020-10-14 07:14:33,896 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2020-10-14 07:14:33,896 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2020-10-14 07:14:33,896 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2020-10-14 07:14:33,897 INFO L268 CegarLoopResult]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2020-10-14 07:14:33,897 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2020-10-14 07:14:33,897 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2020-10-14 07:14:33,897 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2020-10-14 07:14:33,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,897 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2020-10-14 07:14:33,897 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:14:33,898 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:14:33,898 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2020-10-14 07:14:33,898 INFO L268 CegarLoopResult]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2020-10-14 07:14:33,898 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 07:14:33,899 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2020-10-14 07:14:33,899 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-10-14 07:14:33,900 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2020-10-14 07:14:33,900 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2020-10-14 07:14:33,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:14:33 BoogieIcfgContainer [2020-10-14 07:14:33,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:14:33,929 INFO L168 Benchmark]: Toolchain (without parser) took 25211.74 ms. Allocated memory was 148.4 MB in the beginning and 600.8 MB in the end (delta: 452.5 MB). Free memory was 103.6 MB in the beginning and 181.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 460.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,932 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.71 ms. Allocated memory was 148.4 MB in the beginning and 203.9 MB in the end (delta: 55.6 MB). Free memory was 103.2 MB in the beginning and 173.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,936 INFO L168 Benchmark]: Boogie Preprocessor took 92.34 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 168.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,937 INFO L168 Benchmark]: RCFGBuilder took 967.18 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 194.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,938 INFO L168 Benchmark]: TraceAbstraction took 23577.42 ms. Allocated memory was 233.8 MB in the beginning and 600.8 MB in the end (delta: 367.0 MB). Free memory was 194.6 MB in the beginning and 181.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 466.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:14:33,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 569.71 ms. Allocated memory was 148.4 MB in the beginning and 203.9 MB in the end (delta: 55.6 MB). Free memory was 103.2 MB in the beginning and 173.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.34 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 168.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 967.18 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 194.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23577.42 ms. Allocated memory was 233.8 MB in the beginning and 600.8 MB in the end (delta: 367.0 MB). Free memory was 194.6 MB in the beginning and 181.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 466.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 263 SDtfs, 460 SDslu, 55 SDs, 0 SdLazy, 488 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 60 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 176 PreInvPairs, 206 NumberOfFragments, 626 HoareAnnotationTreeSize, 176 FomulaSimplifications, 5091 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 5484 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 38816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...