/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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:39:15,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:39:15,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:39:15,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:39:15,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:39:15,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:39:15,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:39:15,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:39:15,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:39:15,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:39:15,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:39:15,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:39:15,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:39:15,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:39:15,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:39:15,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:39:15,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:39:15,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:39:15,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:39:15,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:39:15,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:39:15,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:39:15,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:39:15,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:39:15,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:39:15,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:39:15,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:39:15,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:39:15,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:39:15,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:39:15,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:39:15,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:39:15,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:39:15,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:39:15,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:39:15,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:39:15,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:39:15,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:39:15,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:39:15,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:39:15,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:39:15,324 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 16:39:15,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:39:15,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:39:15,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:39:15,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:39:15,376 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:39:15,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:39:15,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:39:15,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:39:15,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:39:15,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:39:15,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:39:15,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:39:15,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:39:15,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:39:15,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:39:15,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:39:15,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:39:15,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:39:15,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:39:15,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:39:15,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:39:15,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:15,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:39:15,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:39:15,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:39:15,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:39:15,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:39:15,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:39:15,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:39:15,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:39:15,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:15,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:15,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:15,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:15,832 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:15,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-10-28 16:39:15,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0b45827e/273c38adef424d04afa80103e0dd9ccd/FLAGc634dfb92 [2020-10-28 16:39:16,625 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:16,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-10-28 16:39:16,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0b45827e/273c38adef424d04afa80103e0dd9ccd/FLAGc634dfb92 [2020-10-28 16:39:16,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0b45827e/273c38adef424d04afa80103e0dd9ccd [2020-10-28 16:39:16,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:16,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:16,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:16,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:16,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:16,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:16" (1/1) ... [2020-10-28 16:39:16,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e3a0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:16, skipping insertion in model container [2020-10-28 16:39:16,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:16" (1/1) ... [2020-10-28 16:39:16,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:17,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:17,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:17,341 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:17,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:17,488 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:17,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17 WrapperNode [2020-10-28 16:39:17,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:17,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:17,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:17,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:17,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (1/1) ... [2020-10-28 16:39:17,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:17,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:17,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:17,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:17,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (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 16:39:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:39:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:18,775 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:18,776 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:18,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:18 BoogieIcfgContainer [2020-10-28 16:39:18,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:18,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:18,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:18,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:18,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:16" (1/3) ... [2020-10-28 16:39:18,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c98628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:18, skipping insertion in model container [2020-10-28 16:39:18,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:17" (2/3) ... [2020-10-28 16:39:18,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c98628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:18, skipping insertion in model container [2020-10-28 16:39:18,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:18" (3/3) ... [2020-10-28 16:39:18,787 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-10-28 16:39:18,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:18,805 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:18,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:18,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:18,846 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:18,847 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:18,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:18,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:18,847 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:18,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:18,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-28 16:39:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:18,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:18,879 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 16:39:18,880 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 16:39:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:18,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1950371189, now seen corresponding path program 1 times [2020-10-28 16:39:18,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:18,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216029320] [2020-10-28 16:39:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:21,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:24,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:24,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:39:24,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:24,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 16:39:24,878 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:24,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:24,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:24,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:24,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:24,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 16:39:24,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:24,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:24,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:39:25,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:25,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:25,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:25,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:25,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:25,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:25,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:25,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:25,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:25,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:25,109 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 16:39:25,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216029320] [2020-10-28 16:39:25,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:25,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:25,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747293985] [2020-10-28 16:39:25,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:25,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:25,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:25,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:25,138 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-10-28 16:39:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:26,414 INFO L93 Difference]: Finished difference Result 256 states and 342 transitions. [2020-10-28 16:39:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:26,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:26,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:26,433 INFO L225 Difference]: With dead ends: 256 [2020-10-28 16:39:26,434 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 16:39:26,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:26,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 16:39:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2020-10-28 16:39:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:39:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2020-10-28 16:39:26,569 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 47 [2020-10-28 16:39:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:26,570 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2020-10-28 16:39:26,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2020-10-28 16:39:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:26,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:26,579 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 16:39:26,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:26,580 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 16:39:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash -969030383, now seen corresponding path program 1 times [2020-10-28 16:39:26,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:26,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670076055] [2020-10-28 16:39:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:26,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:26,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:31,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 16:39:31,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:31,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,047 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:32,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 16:39:32,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:32,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:32,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:32,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:32,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:32,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:32,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:32,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:32,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:32,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:32,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:32,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:32,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:32,166 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 16:39:32,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670076055] [2020-10-28 16:39:32,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:32,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:32,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155125148] [2020-10-28 16:39:32,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:32,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:32,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:32,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:32,171 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 4 states. [2020-10-28 16:39:32,789 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:33,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:33,589 INFO L93 Difference]: Finished difference Result 180 states and 221 transitions. [2020-10-28 16:39:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:33,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:33,593 INFO L225 Difference]: With dead ends: 180 [2020-10-28 16:39:33,593 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 16:39:33,596 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 16:39:33,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 16:39:33,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2020-10-28 16:39:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-28 16:39:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2020-10-28 16:39:33,656 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 48 [2020-10-28 16:39:33,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:33,656 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2020-10-28 16:39:33,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2020-10-28 16:39:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:39:33,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:33,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:33,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:33,667 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 16:39:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:33,668 INFO L82 PathProgramCache]: Analyzing trace with hash -714204513, now seen corresponding path program 1 times [2020-10-28 16:39:33,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:33,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878637583] [2020-10-28 16:39:33,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:39:36,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2750 [2020-10-28 16:39:36,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 16:39:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,847 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:36,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:36,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:36,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:36,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:39:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:39:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:36,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:36,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:36,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:36,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:36,989 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 16:39:36,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878637583] [2020-10-28 16:39:36,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:36,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:36,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182618820] [2020-10-28 16:39:36,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:36,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:36,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:36,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:36,993 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 4 states. [2020-10-28 16:39:37,388 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:38,804 INFO L93 Difference]: Finished difference Result 278 states and 347 transitions. [2020-10-28 16:39:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:38,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:39:38,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:38,808 INFO L225 Difference]: With dead ends: 278 [2020-10-28 16:39:38,809 INFO L226 Difference]: Without dead ends: 205 [2020-10-28 16:39:38,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-28 16:39:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 163. [2020-10-28 16:39:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-28 16:39:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-28 16:39:38,874 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 52 [2020-10-28 16:39:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:38,874 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-28 16:39:38,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-28 16:39:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:39:38,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:38,876 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 16:39:38,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:38,876 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 16:39:38,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:38,877 INFO L82 PathProgramCache]: Analyzing trace with hash -223738187, now seen corresponding path program 1 times [2020-10-28 16:39:38,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:38,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418117048] [2020-10-28 16:39:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:38,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:40,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:42,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:39:42,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3628 [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:39:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,015 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:43,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:43,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:39:43,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:43,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:43,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:39:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:39:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:43,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:39:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:43,154 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 16:39:43,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418117048] [2020-10-28 16:39:43,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:43,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:39:43,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693166025] [2020-10-28 16:39:43,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:39:43,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:43,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:39:43,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:39:43,156 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 8 states. [2020-10-28 16:39:43,804 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:44,891 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:39:45,312 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:45,705 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:39:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:45,981 INFO L93 Difference]: Finished difference Result 283 states and 357 transitions. [2020-10-28 16:39:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:39:45,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:39:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:45,983 INFO L225 Difference]: With dead ends: 283 [2020-10-28 16:39:45,983 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:45,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:39:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:45,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:39:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:45,987 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:45,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:39:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:45,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:45,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:45,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:47,956 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:48,248 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:48,506 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:48,847 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:49,108 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:49,383 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:49,724 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:50,236 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:50,696 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:50,967 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:51,478 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:52,009 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:52,279 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:52,595 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:52,875 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:53,160 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:53,431 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:53,901 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:54,170 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:54,449 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:54,716 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:55,230 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:55,744 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:55,748 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-10-28 16:39:55,749 INFO L274 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-10-28 16:39:55,750 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2020-10-28 16:39:55,751 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2020-10-28 16:39:55,751 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,752 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,752 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,752 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,752 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:39:55,752 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:39:55,752 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,753 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:39:55,753 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 16:39:55,754 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 332 338) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 332 338) the Hoare annotation is: true [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 454 468) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L270 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 454 468) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 454 468) no Hoare annotation was computed. [2020-10-28 16:39:55,755 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 365 372) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 365 372) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 365 372) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-10-28 16:39:55,756 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point L887(lines 887 888) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point L880(lines 880 881) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 880 881) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 887 888) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-10-28 16:39:55,757 INFO L274 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 398 408) the Hoare annotation is: true [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L277 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-10-28 16:39:55,758 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L270 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,759 INFO L274 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L270 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,759 INFO L274 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L274 CegarLoopResult]: For program point L344(lines 344 361) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 340 364) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 340 364) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:55,759 INFO L270 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:55,759 INFO L274 CegarLoopResult]: For program point L359-1(lines 340 364) no Hoare annotation was computed. [2020-10-28 16:39:55,759 INFO L270 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,760 INFO L274 CegarLoopResult]: For program point L481(lines 480 527) no Hoare annotation was computed. [2020-10-28 16:39:55,760 INFO L270 CegarLoopResult]: At program point testENTRY(lines 470 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:55,760 INFO L274 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-10-28 16:39:55,760 INFO L274 CegarLoopResult]: For program point testFINAL(lines 470 535) no Hoare annotation was computed. [2020-10-28 16:39:55,760 INFO L270 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,760 INFO L274 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-10-28 16:39:55,760 INFO L274 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-10-28 16:39:55,760 INFO L270 CegarLoopResult]: At program point L525(lines 480 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,760 INFO L270 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,761 INFO L274 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-10-28 16:39:55,761 INFO L274 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-10-28 16:39:55,761 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-10-28 16:39:55,761 INFO L270 CegarLoopResult]: At program point L528(lines 479 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,761 INFO L270 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,761 INFO L274 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-10-28 16:39:55,761 INFO L270 CegarLoopResult]: At program point L516-1(lines 510 523) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,761 INFO L274 CegarLoopResult]: For program point testEXIT(lines 470 535) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 834 835) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 841 842) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L841(lines 841 842) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L834(lines 834 835) no Hoare annotation was computed. [2020-10-28 16:39:55,762 INFO L274 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-10-28 16:39:55,763 INFO L274 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-10-28 16:39:55,764 INFO L274 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-10-28 16:39:55,765 INFO L274 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-10-28 16:39:55,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,765 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:39:55,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,765 INFO L274 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-10-28 16:39:55,765 INFO L274 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:39:55,766 INFO L274 CegarLoopResult]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:39:55,767 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,767 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,767 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,767 INFO L270 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,767 INFO L270 CegarLoopResult]: At program point L319(lines 319 325) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,767 INFO L270 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,767 INFO L274 CegarLoopResult]: For program point L312(lines 311 330) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 308 331) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 308 331) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 308 331) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 16:39:55,768 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 16:39:55,768 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 16:39:55,768 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 16:39:55,769 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 16:39:55,769 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 16:39:55,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:39:55,770 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 293 300) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 293 300) the Hoare annotation is: true [2020-10-28 16:39:55,770 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 293 300) no Hoare annotation was computed. [2020-10-28 16:39:55,770 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 267 291) the Hoare annotation is: true [2020-10-28 16:39:55,771 INFO L270 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 267 291) no Hoare annotation was computed. [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-10-28 16:39:55,771 INFO L277 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: true [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point L275(lines 275 288) no Hoare annotation was computed. [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point L275-1(lines 267 291) no Hoare annotation was computed. [2020-10-28 16:39:55,771 INFO L277 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: true [2020-10-28 16:39:55,771 INFO L274 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-10-28 16:39:55,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:39:55 BoogieIcfgContainer [2020-10-28 16:39:55,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:39:55,795 INFO L168 Benchmark]: Toolchain (without parser) took 38872.32 ms. Allocated memory was 151.0 MB in the beginning and 594.5 MB in the end (delta: 443.5 MB). Free memory was 126.5 MB in the beginning and 232.2 MB in the end (delta: -105.7 MB). Peak memory consumption was 355.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:55,796 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 151.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:39:55,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:55,799 INFO L168 Benchmark]: Boogie Preprocessor took 125.28 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 101.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:55,799 INFO L168 Benchmark]: RCFGBuilder took 1162.12 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 59.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:55,802 INFO L168 Benchmark]: TraceAbstraction took 37011.35 ms. Allocated memory was 151.0 MB in the beginning and 594.5 MB in the end (delta: 443.5 MB). Free memory was 59.3 MB in the beginning and 232.2 MB in the end (delta: -172.8 MB). Peak memory consumption was 287.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:55,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 151.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 560.16 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.28 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 101.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1162.12 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 59.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37011.35 ms. Allocated memory was 151.0 MB in the beginning and 594.5 MB in the end (delta: 443.5 MB). Free memory was 59.3 MB in the beginning and 232.2 MB in the end (delta: -172.8 MB). Peak memory consumption was 287.8 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: 841]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 834]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 880]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 887]: 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: 480]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 229 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368 SDtfs, 427 SDslu, 145 SDs, 0 SdLazy, 735 SolverSat, 258 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred 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, 99 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 229 PreInvPairs, 252 NumberOfFragments, 736 HoareAnnotationTreeSize, 229 FomulaSimplifications, 9244 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 8630 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 58684 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...