/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:58:30,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:58:30,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:58:30,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:58:30,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:58:30,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:58:30,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:58:30,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:58:30,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:58:30,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:58:30,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:58:30,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:58:30,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:58:30,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:58:30,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:58:30,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:58:30,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:58:30,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:58:30,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:58:30,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:58:30,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:58:30,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:58:30,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:58:30,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:58:30,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:58:30,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:58:30,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:58:30,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:58:30,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:58:30,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:58:30,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:58:30,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:58:30,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:58:30,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:58:30,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:58:30,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:58:30,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:58:30,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:58:30,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:58:30,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:58:30,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:58:30,475 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 [2020-10-28 16:58:30,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:58:30,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:58:30,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:58:30,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:58:30,527 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:58:30,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:58:30,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:58:30,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:58:30,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:58:30,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:58:30,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:58:30,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:58:30,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:58:30,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:58:30,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:58:30,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:58:30,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:58:30,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:58:30,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:58:30,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:58:30,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:58:30,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:58:30,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:58:30,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:58:30,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:58:30,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:58:30,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:58:30,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:58:30,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:58:30,974 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:58:30,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-10-28 16:58:31,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21675b19d/79445ac0115f4167a40b857f4c41294c/FLAG8835bd9d8 [2020-10-28 16:58:31,768 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:58:31,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-10-28 16:58:31,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21675b19d/79445ac0115f4167a40b857f4c41294c/FLAG8835bd9d8 [2020-10-28 16:58:32,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21675b19d/79445ac0115f4167a40b857f4c41294c [2020-10-28 16:58:32,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:58:32,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:58:32,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:32,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:58:32,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:58:32,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a311a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32, skipping insertion in model container [2020-10-28 16:58:32,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:58:32,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:58:32,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:32,519 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:58:32,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:32,667 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:58:32,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32 WrapperNode [2020-10-28 16:58:32,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:32,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:58:32,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:58:32,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:58:32,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (1/1) ... [2020-10-28 16:58:32,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:58:32,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:58:32,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:58:32,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:58:32,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (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 [2020-10-28 16:58:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:58:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:58:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:58:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:58:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:58:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:58:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:58:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:58:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:58:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:58:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:58:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:58:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:58:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:58:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:58:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:58:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:58:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:58:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:58:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:58:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:58:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:58:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:58:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:58:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:58:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:58:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:58:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:58:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:58:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:58:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:58:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:58:32,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:58:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:58:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:58:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:58:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:58:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:58:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:58:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:58:34,219 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:58:34,220 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:58:34,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:34 BoogieIcfgContainer [2020-10-28 16:58:34,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:58:34,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:58:34,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:58:34,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:58:34,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:58:32" (1/3) ... [2020-10-28 16:58:34,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:34, skipping insertion in model container [2020-10-28 16:58:34,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:32" (2/3) ... [2020-10-28 16:58:34,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:34, skipping insertion in model container [2020-10-28 16:58:34,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:34" (3/3) ... [2020-10-28 16:58:34,231 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-10-28 16:58:34,243 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:58:34,249 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:58:34,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:58:34,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:58:34,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:58:34,291 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:58:34,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:58:34,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:58:34,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:58:34,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:58:34,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:58:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-10-28 16:58:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:58:34,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:34,324 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] [2020-10-28 16:58:34,325 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:34,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:34,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1691705990, now seen corresponding path program 1 times [2020-10-28 16:58:34,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:34,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426861922] [2020-10-28 16:58:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:34,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:35,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:37,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:39,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:39,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:58:39,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 16:58:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:39,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:58:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 16:58:40,154 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:40,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 16:58:40,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:58:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:40,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:40,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:40,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:58:40,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:40,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:40,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:40,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:40,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:40,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:58:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:40,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:40,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:58:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:40,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:40,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:40,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:40,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:40,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:40,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426861922] [2020-10-28 16:58:40,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:40,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:58:40,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075264518] [2020-10-28 16:58:40,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:58:40,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:40,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:58:40,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:40,384 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2020-10-28 16:58:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:41,938 INFO L93 Difference]: Finished difference Result 271 states and 356 transitions. [2020-10-28 16:58:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:58:41,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:58:41,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:41,954 INFO L225 Difference]: With dead ends: 271 [2020-10-28 16:58:41,954 INFO L226 Difference]: Without dead ends: 146 [2020-10-28 16:58:41,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-28 16:58:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 113. [2020-10-28 16:58:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-28 16:58:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-10-28 16:58:42,048 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-10-28 16:58:42,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:42,049 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-10-28 16:58:42,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:58:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-10-28 16:58:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:58:42,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:42,053 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] [2020-10-28 16:58:42,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:58:42,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:42,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2030484765, now seen corresponding path program 1 times [2020-10-28 16:58:42,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:42,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009768394] [2020-10-28 16:58:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:42,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:58:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:58:47,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:47,516 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:47,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:58:47,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:47,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:47,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:47,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:47,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:58:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:47,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:58:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:47,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:47,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:47,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:47,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:47,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:47,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009768394] [2020-10-28 16:58:47,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:47,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:58:47,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727758020] [2020-10-28 16:58:47,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:58:47,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:47,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:58:47,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:58:47,632 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 4 states. [2020-10-28 16:58:48,272 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:58:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:49,202 INFO L93 Difference]: Finished difference Result 191 states and 231 transitions. [2020-10-28 16:58:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:58:49,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:58:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:49,207 INFO L225 Difference]: With dead ends: 191 [2020-10-28 16:58:49,207 INFO L226 Difference]: Without dead ends: 130 [2020-10-28 16:58:49,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:58:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-28 16:58:49,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 104. [2020-10-28 16:58:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-28 16:58:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-10-28 16:58:49,268 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 48 [2020-10-28 16:58:49,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:49,269 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-10-28 16:58:49,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:58:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-10-28 16:58:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:58:49,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:49,271 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] [2020-10-28 16:58:49,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:58:49,272 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:49,273 INFO L82 PathProgramCache]: Analyzing trace with hash -637690791, now seen corresponding path program 1 times [2020-10-28 16:58:49,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:49,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326592156] [2020-10-28 16:58:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:49,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:50,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:58:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:58:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4054 [2020-10-28 16:58:53,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:58:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:58:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,790 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:53,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 16:58:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:58:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:53,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:53,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:53,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:58:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:58:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:53,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:58:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:53,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:53,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:53,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:53,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:53,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:53,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:53,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326592156] [2020-10-28 16:58:53,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:53,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:58:53,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029553482] [2020-10-28 16:58:53,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:58:53,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:53,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:58:53,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:58:53,973 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 5 states. [2020-10-28 16:58:54,452 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:58:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:56,061 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2020-10-28 16:58:56,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:58:56,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:58:56,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:56,066 INFO L225 Difference]: With dead ends: 300 [2020-10-28 16:58:56,066 INFO L226 Difference]: Without dead ends: 220 [2020-10-28 16:58:56,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:58:56,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-28 16:58:56,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 173. [2020-10-28 16:58:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-28 16:58:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 204 transitions. [2020-10-28 16:58:56,137 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 204 transitions. Word has length 53 [2020-10-28 16:58:56,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:56,137 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 204 transitions. [2020-10-28 16:58:56,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:58:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 204 transitions. [2020-10-28 16:58:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:58:56,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:56,144 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] [2020-10-28 16:58:56,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:58:56,144 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:56,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:56,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1137081902, now seen corresponding path program 1 times [2020-10-28 16:58:56,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:56,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563459659] [2020-10-28 16:58:56,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:56,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:56,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:56,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:59:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:59:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:59:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,649 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:01,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:01,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:59:01,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:01,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:01,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:59:01,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:01,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:59:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:59:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:59:01,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:59:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:59:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:01,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:59:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:01,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:01,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:01,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:01,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:01,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:01,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:01,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:59:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:59:01,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563459659] [2020-10-28 16:59:01,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:01,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:59:01,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960905780] [2020-10-28 16:59:01,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:59:01,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:01,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:59:01,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:59:01,814 INFO L87 Difference]: Start difference. First operand 173 states and 204 transitions. Second operand 8 states. [2020-10-28 16:59:02,415 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:59:03,648 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:04,097 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:04,511 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:59:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:04,849 INFO L93 Difference]: Finished difference Result 312 states and 397 transitions. [2020-10-28 16:59:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:59:04,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:59:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:04,851 INFO L225 Difference]: With dead ends: 312 [2020-10-28 16:59:04,851 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:59:04,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:59:04,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:59:04,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:59:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:59:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:59:04,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:59:04,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:04,856 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:59:04,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:59:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:59:04,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:59:04,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:59:04,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:59:07,095 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 7 [2020-10-28 16:59:07,374 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:07,658 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:07,952 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:08,244 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:08,525 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:08,824 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 8 [2020-10-28 16:59:09,184 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:09,753 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-28 16:59:10,040 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:10,304 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:10,850 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-28 16:59:11,173 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:11,478 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:12,024 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-28 16:59:12,518 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-28 16:59:12,796 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-28 16:59:13,105 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:13,418 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:13,730 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:14,021 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-28 16:59:14,559 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 7 [2020-10-28 16:59:15,065 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-28 16:59:15,630 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-28 16:59:15,640 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:59:15,640 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:59:15,640 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:59:15,641 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:59:15,641 INFO L274 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-10-28 16:59:15,641 INFO L274 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-10-28 16:59:15,641 INFO L274 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 363) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 317 372) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point L364(lines 341 365) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 317 372) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 317 372) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 373 432) no Hoare annotation was computed. [2020-10-28 16:59:15,642 INFO L274 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 373 432) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L399-2(lines 399 424) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 373 432) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L425(lines 398 426) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 149 155) the Hoare annotation is: true [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 149 155) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 156 164) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 156 164) the Hoare annotation is: true [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 156 164) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L641(lines 641 654) no Hoare annotation was computed. [2020-10-28 16:59:15,643 INFO L274 CegarLoopResult]: For program point L641-1(lines 633 657) no Hoare annotation was computed. [2020-10-28 16:59:15,644 INFO L277 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: true [2020-10-28 16:59:15,644 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 633 657) the Hoare annotation is: true [2020-10-28 16:59:15,644 INFO L274 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-10-28 16:59:15,644 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 633 657) no Hoare annotation was computed. [2020-10-28 16:59:15,644 INFO L270 CegarLoopResult]: At program point L647(line 647) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-28 16:59:15,644 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-10-28 16:59:15,644 INFO L277 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: true [2020-10-28 16:59:15,644 INFO L274 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2020-10-28 16:59:15,644 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 241 263) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,645 INFO L270 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,645 INFO L270 CegarLoopResult]: At program point L253-1(line 253) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,645 INFO L274 CegarLoopResult]: For program point L251(lines 251 258) no Hoare annotation was computed. [2020-10-28 16:59:15,645 INFO L274 CegarLoopResult]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2020-10-28 16:59:15,645 INFO L274 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-10-28 16:59:15,645 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 241 263) no Hoare annotation was computed. [2020-10-28 16:59:15,645 INFO L270 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,645 INFO L270 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,646 INFO L270 CegarLoopResult]: At program point L247-1(line 247) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 241 263) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 199 222) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 199 222) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 199 222) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-10-28 16:59:15,646 INFO L274 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 16:59:15,647 INFO L270 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:59:15,647 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 795 809) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 795 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 795 809) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-10-28 16:59:15,648 INFO L274 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 142 148) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 142 148) the Hoare annotation is: true [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 271 316) no Hoare annotation was computed. [2020-10-28 16:59:15,649 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 271 316) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 271 316) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point L608(lines 608 609) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point L604(lines 604 611) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 584 629) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point L598(lines 598 618) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 618) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 608 609) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 615 616) no Hoare annotation was computed. [2020-10-28 16:59:15,650 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 584 629) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point L615(lines 615 616) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 584 629) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 231 240) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2020-10-28 16:59:15,651 INFO L277 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-10-28 16:59:15,651 INFO L274 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L270 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2020-10-28 16:59:15,652 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,652 INFO L270 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,652 INFO L274 CegarLoopResult]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2020-10-28 16:59:15,653 INFO L270 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:59:15,653 INFO L270 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:59:15,653 INFO L274 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-10-28 16:59:15,653 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2020-10-28 16:59:15,653 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2020-10-28 16:59:15,653 INFO L270 CegarLoopResult]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:59:15,653 INFO L274 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-10-28 16:59:15,653 INFO L270 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2020-10-28 16:59:15,654 INFO L270 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2020-10-28 16:59:15,654 INFO L270 CegarLoopResult]: At program point L876(lines 829 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,654 INFO L270 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-10-28 16:59:15,654 INFO L274 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2020-10-28 16:59:15,655 INFO L274 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-10-28 16:59:15,655 INFO L270 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,655 INFO L270 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,655 INFO L274 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-10-28 16:59:15,655 INFO L274 CegarLoopResult]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2020-10-28 16:59:15,655 INFO L270 CegarLoopResult]: At program point L867-1(lines 859 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,655 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 562 563) no Hoare annotation was computed. [2020-10-28 16:59:15,655 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 569 570) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 538 583) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L569(lines 569 570) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 538 583) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L562(lines 562 563) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 538 583) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L552(lines 552 572) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 572) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:59:15,656 INFO L274 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 132 141) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 132 141) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 132 141) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point L481(lines 481 522) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 435 537) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-10-28 16:59:15,657 INFO L274 CegarLoopResult]: For program point L523(lines 523 534) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 435 537) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L484-2(lines 484 504) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L505(lines 483 506) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 435 537) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L464(lines 464 480) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L524(lines 524 531) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L485(lines 484 504) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 16:59:15,658 INFO L274 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2020-10-28 16:59:15,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,659 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:59:15,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,659 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2020-10-28 16:59:15,659 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2020-10-28 16:59:15,659 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,660 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:59:15,661 INFO L270 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point L670(lines 669 688) no Hoare annotation was computed. [2020-10-28 16:59:15,661 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2020-10-28 16:59:15,661 INFO L270 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2020-10-28 16:59:15,661 INFO L270 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:59:15,661 INFO L277 CegarLoopResult]: At program point L193(lines 168 197) the Hoare annotation is: true [2020-10-28 16:59:15,661 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 168 197) no Hoare annotation was computed. [2020-10-28 16:59:15,662 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 16:59:15,662 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 168 197) the Hoare annotation is: true [2020-10-28 16:59:15,662 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-28 16:59:15,662 INFO L277 CegarLoopResult]: At program point L182-1(lines 182 186) the Hoare annotation is: true [2020-10-28 16:59:15,662 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 16:59:15,662 INFO L277 CegarLoopResult]: At program point L178-2(lines 178 192) the Hoare annotation is: true [2020-10-28 16:59:15,662 INFO L277 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-10-28 16:59:15,662 INFO L274 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-10-28 16:59:15,662 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2020-10-28 16:59:15,662 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L274 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 223 229) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 223 229) the Hoare annotation is: true [2020-10-28 16:59:15,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 16:59:15,663 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:59:15,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 810 817) no Hoare annotation was computed. [2020-10-28 16:59:15,663 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 810 817) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 810 817) no Hoare annotation was computed. [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:59:15,664 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 888 895) no Hoare annotation was computed. [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-28 16:59:15,664 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 888 895) the Hoare annotation is: true [2020-10-28 16:59:15,664 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 888 895) no Hoare annotation was computed. [2020-10-28 16:59:15,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:59:15 BoogieIcfgContainer [2020-10-28 16:59:15,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:59:15,683 INFO L168 Benchmark]: Toolchain (without parser) took 43636.51 ms. Allocated memory was 125.8 MB in the beginning and 618.7 MB in the end (delta: 492.8 MB). Free memory was 100.5 MB in the beginning and 444.2 MB in the end (delta: -343.7 MB). Peak memory consumption was 370.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:15,684 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:59:15,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.51 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 79.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:15,686 INFO L168 Benchmark]: Boogie Preprocessor took 113.09 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 75.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:15,687 INFO L168 Benchmark]: RCFGBuilder took 1438.60 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 75.8 MB in the beginning and 99.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:15,688 INFO L168 Benchmark]: TraceAbstraction took 41457.56 ms. Allocated memory was 153.1 MB in the beginning and 618.7 MB in the end (delta: 465.6 MB). Free memory was 99.0 MB in the beginning and 444.2 MB in the end (delta: -345.1 MB). Peak memory consumption was 341.3 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:15,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 611.51 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 79.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.09 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 75.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1438.60 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 75.8 MB in the beginning and 99.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 41457.56 ms. Allocated memory was 153.1 MB in the beginning and 618.7 MB in the end (delta: 465.6 MB). Free memory was 99.0 MB in the beginning and 444.2 MB in the end (delta: -345.1 MB). Peak memory consumption was 341.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 569]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 562]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 608]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 615]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 396 SDtfs, 468 SDslu, 189 SDs, 0 SdLazy, 854 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 244 PreInvPairs, 277 NumberOfFragments, 625 HoareAnnotationTreeSize, 244 FomulaSimplifications, 16731 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 8592 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 56176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...