/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:30,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:30,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:30,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:30,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:30,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:30,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:30,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:30,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:30,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:30,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:30,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:30,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:30,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:30,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:30,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:30,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:30,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:30,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:30,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:30,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:30,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:30,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:30,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:30,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:30,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:30,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:30,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:30,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:30,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:30,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:30,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:30,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:30,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:30,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:30,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:30,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:30,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:30,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:30,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:30,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:30,444 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 [2020-09-21 12:17:30,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:30,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:30,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:30,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:30,498 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:30,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:30,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:30,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:30,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:30,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:30,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:30,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:30,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:30,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:30,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:30,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:30,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:30,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:30,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:30,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:30,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:30,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:30,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:30,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:30,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:30,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:30,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:30,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:30,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:30,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:17:30,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:30,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:30,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:31,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:31,002 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:31,003 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-09-21 12:17:31,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f362dd666/e6b4a39a1118450186673e56e1238261/FLAGc00bea139 [2020-09-21 12:17:31,741 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:31,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product28.cil.c [2020-09-21 12:17:31,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f362dd666/e6b4a39a1118450186673e56e1238261/FLAGc00bea139 [2020-09-21 12:17:31,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f362dd666/e6b4a39a1118450186673e56e1238261 [2020-09-21 12:17:31,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:31,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:31,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:31,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:31,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:31,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:31" (1/1) ... [2020-09-21 12:17:31,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be5da95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:31, skipping insertion in model container [2020-09-21 12:17:31,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:31" (1/1) ... [2020-09-21 12:17:32,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:32,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:32,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:32,581 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:32,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:32,778 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:32,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32 WrapperNode [2020-09-21 12:17:32,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:32,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:32,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:32,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:32,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... [2020-09-21 12:17:32,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:32,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:32,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:32,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:32,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:17:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:32,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:32,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:32,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:32,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:17:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:17:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:17:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:17:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:17:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:17:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:34,116 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:34,117 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:34,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:34 BoogieIcfgContainer [2020-09-21 12:17:34,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:34,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:34,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:34,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:34,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:31" (1/3) ... [2020-09-21 12:17:34,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7f8954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:34, skipping insertion in model container [2020-09-21 12:17:34,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:32" (2/3) ... [2020-09-21 12:17:34,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7f8954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:34, skipping insertion in model container [2020-09-21 12:17:34,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:34" (3/3) ... [2020-09-21 12:17:34,134 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2020-09-21 12:17:34,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:34,158 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:34,182 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:34,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:34,213 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:34,213 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:34,213 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:34,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:34,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:34,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:34,214 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 12:17:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:34,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:34,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:34,258 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash 176643797, now seen corresponding path program 1 times [2020-09-21 12:17:34,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:34,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342311338] [2020-09-21 12:17:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:35,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:35,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:17:35,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-21 12:17:36,152 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 12:17:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:36,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:36,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:36,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:36,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:36,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:36,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:36,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:36,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:36,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:36,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:36,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:36,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342311338] [2020-09-21 12:17:36,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:36,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:36,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604914863] [2020-09-21 12:17:36,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:36,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:36,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:36,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:36,475 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 12:17:37,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:37,608 INFO L93 Difference]: Finished difference Result 278 states and 361 transitions. [2020-09-21 12:17:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:37,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:37,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:37,631 INFO L225 Difference]: With dead ends: 278 [2020-09-21 12:17:37,632 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 12:17:37,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 12:17:37,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2020-09-21 12:17:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 12:17:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-09-21 12:17:37,798 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-09-21 12:17:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:37,798 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-09-21 12:17:37,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-09-21 12:17:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:17:37,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:37,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:37,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:37,804 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:37,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:37,804 INFO L82 PathProgramCache]: Analyzing trace with hash -464202477, now seen corresponding path program 1 times [2020-09-21 12:17:37,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:37,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715729892] [2020-09-21 12:17:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:17:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:17:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:17:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:17:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,195 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:39,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:17:39,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:39,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:39,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:39,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:17:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:39,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:39,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:39,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:39,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:17:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:39,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:39,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:17:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:39,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:39,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:39,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:39,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:39,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:39,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:39,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715729892] [2020-09-21 12:17:39,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:39,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:17:39,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994241506] [2020-09-21 12:17:39,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:17:39,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:39,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:17:39,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:17:39,371 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 5 states. [2020-09-21 12:17:39,876 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:17:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:40,732 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2020-09-21 12:17:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:17:40,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:17:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:40,736 INFO L225 Difference]: With dead ends: 213 [2020-09-21 12:17:40,736 INFO L226 Difference]: Without dead ends: 145 [2020-09-21 12:17:40,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:17:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-21 12:17:40,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-09-21 12:17:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-21 12:17:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-09-21 12:17:40,775 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 60 [2020-09-21 12:17:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:40,775 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-09-21 12:17:40,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:17:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-09-21 12:17:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:17:40,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:40,778 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:40,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:40,778 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:40,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:40,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1980183215, now seen corresponding path program 1 times [2020-09-21 12:17:40,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:40,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069527102] [2020-09-21 12:17:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,178 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 12:17:42,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:42,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:42,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:42,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:42,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:42,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:42,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:17:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:42,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:42,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:42,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:42,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:42,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:17:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:42,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:42,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:17:42,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069527102] [2020-09-21 12:17:42,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:42,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:17:42,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97041265] [2020-09-21 12:17:42,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:17:42,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:42,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:17:42,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:42,371 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 8 states. [2020-09-21 12:17:42,845 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:43,844 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 12:17:44,620 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:44,931 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:17:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:45,028 INFO L93 Difference]: Finished difference Result 202 states and 258 transitions. [2020-09-21 12:17:45,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:17:45,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:17:45,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:45,029 INFO L225 Difference]: With dead ends: 202 [2020-09-21 12:17:45,029 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:45,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:17:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:45,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:45,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:17:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:45,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:45,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:17:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:45,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:45,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:45,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:45,240 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,404 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,565 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,740 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:45,853 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:46,013 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,169 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,272 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 6 [2020-09-21 12:17:46,430 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,684 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,839 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,992 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,144 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:47,299 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,452 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,760 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:47,908 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,168 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,322 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,479 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,627 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,776 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,947 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,095 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,244 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,398 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,653 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,801 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,949 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,191 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,339 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,491 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,640 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,796 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,955 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,104 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,266 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,415 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,563 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,731 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:51,938 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:52,185 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:52,411 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:52,649 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:52,904 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:53,096 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-09-21 12:17:53,323 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:53,524 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:53,718 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:53,960 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,146 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,352 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,556 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:54,772 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,983 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:55,204 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:55,423 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 12:17:55,429 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-09-21 12:17:55,429 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 377) no Hoare annotation was computed. [2020-09-21 12:17:55,429 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 342 397) no Hoare annotation was computed. [2020-09-21 12:17:55,429 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-21 12:17:55,429 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 388) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 342 397) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point L389(lines 366 390) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 342 397) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 398 457) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 398 457) no Hoare annotation was computed. [2020-09-21 12:17:55,430 INFO L268 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 434) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 398 457) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point L424-2(lines 424 449) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point L450(lines 423 451) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2020-09-21 12:17:55,431 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2020-09-21 12:17:55,432 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2020-09-21 12:17:55,432 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 139 146) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:55,432 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-09-21 12:17:55,432 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-09-21 12:17:55,432 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 147 156) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:55,432 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 147 156) no Hoare annotation was computed. [2020-09-21 12:17:55,432 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-21 12:17:55,433 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 147 156) no Hoare annotation was computed. [2020-09-21 12:17:55,433 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 157 185) the Hoare annotation is: true [2020-09-21 12:17:55,433 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:55,433 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 157 185) no Hoare annotation was computed. [2020-09-21 12:17:55,433 INFO L268 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-09-21 12:17:55,433 INFO L268 CegarLoopResult]: For program point L169(lines 169 179) no Hoare annotation was computed. [2020-09-21 12:17:55,434 INFO L271 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: true [2020-09-21 12:17:55,434 INFO L268 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-09-21 12:17:55,434 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-09-21 12:17:55,434 INFO L268 CegarLoopResult]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2020-09-21 12:17:55,434 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-09-21 12:17:55,434 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-09-21 12:17:55,434 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,435 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2020-09-21 12:17:55,435 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,435 INFO L264 CegarLoopResult]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,435 INFO L268 CegarLoopResult]: For program point L276(lines 276 283) no Hoare annotation was computed. [2020-09-21 12:17:55,435 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2020-09-21 12:17:55,435 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 12:17:55,436 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,436 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,436 INFO L264 CegarLoopResult]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,436 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2020-09-21 12:17:55,436 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-21 12:17:55,436 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 220 243) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 220 243) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 220 243) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-21 12:17:55,437 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-09-21 12:17:55,438 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2020-09-21 12:17:55,439 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-09-21 12:17:55,439 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 876 890) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:17:55,439 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 876 890) no Hoare annotation was computed. [2020-09-21 12:17:55,439 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,439 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2020-09-21 12:17:55,439 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2020-09-21 12:17:55,439 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 812 820) no Hoare annotation was computed. [2020-09-21 12:17:55,439 INFO L271 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: true [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 857 875) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-09-21 12:17:55,440 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 821 856) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 821 856) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2020-09-21 12:17:55,441 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 821 856) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 296 341) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 296 341) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 296 341) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 609 654) no Hoare annotation was computed. [2020-09-21 12:17:55,442 INFO L268 CegarLoopResult]: For program point L629(lines 629 636) no Hoare annotation was computed. [2020-09-21 12:17:55,443 INFO L268 CegarLoopResult]: For program point L623(lines 623 643) no Hoare annotation was computed. [2020-09-21 12:17:55,443 INFO L268 CegarLoopResult]: For program point L623-1(lines 623 643) no Hoare annotation was computed. [2020-09-21 12:17:55,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 609 654) no Hoare annotation was computed. [2020-09-21 12:17:55,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 609 654) no Hoare annotation was computed. [2020-09-21 12:17:55,445 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:55,445 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 252 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,445 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 252 262) no Hoare annotation was computed. [2020-09-21 12:17:55,445 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 252 262) no Hoare annotation was computed. [2020-09-21 12:17:55,445 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 801 811) no Hoare annotation was computed. [2020-09-21 12:17:55,445 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 801 811) no Hoare annotation was computed. [2020-09-21 12:17:55,445 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 801 811) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 793 800) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2020-09-21 12:17:55,446 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,446 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:55,446 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,447 INFO L268 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-09-21 12:17:55,447 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,447 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-09-21 12:17:55,447 INFO L268 CegarLoopResult]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-09-21 12:17:55,447 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2020-09-21 12:17:55,447 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2020-09-21 12:17:55,447 INFO L264 CegarLoopResult]: At program point L960(lines 909 961) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,447 INFO L264 CegarLoopResult]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:55,447 INFO L268 CegarLoopResult]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2020-09-21 12:17:55,447 INFO L264 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,448 INFO L268 CegarLoopResult]: For program point L948(lines 948 954) no Hoare annotation was computed. [2020-09-21 12:17:55,448 INFO L264 CegarLoopResult]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,448 INFO L268 CegarLoopResult]: For program point L911(lines 910 959) no Hoare annotation was computed. [2020-09-21 12:17:55,448 INFO L264 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,448 INFO L268 CegarLoopResult]: For program point L940(lines 940 955) no Hoare annotation was computed. [2020-09-21 12:17:55,448 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,448 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-09-21 12:17:55,448 INFO L268 CegarLoopResult]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2020-09-21 12:17:55,448 INFO L264 CegarLoopResult]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,448 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L577(lines 577 597) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 597) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 563 608) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 563 608) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 563 608) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point L583(lines 583 590) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 767 774) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 767 774) no Hoare annotation was computed. [2020-09-21 12:17:55,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 767 774) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 460 562) no Hoare annotation was computed. [2020-09-21 12:17:55,450 INFO L268 CegarLoopResult]: For program point L510(lines 509 529) no Hoare annotation was computed. [2020-09-21 12:17:55,451 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:17:55,451 INFO L268 CegarLoopResult]: For program point L541-1(line 541) no Hoare annotation was computed. [2020-09-21 12:17:55,451 INFO L268 CegarLoopResult]: For program point L506(lines 506 547) no Hoare annotation was computed. [2020-09-21 12:17:55,451 INFO L268 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-09-21 12:17:55,451 INFO L268 CegarLoopResult]: For program point L525-1(line 525) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 460 562) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point L548(lines 548 559) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point L511(lines 511 515) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 529) no Hoare annotation was computed. [2020-09-21 12:17:55,452 INFO L268 CegarLoopResult]: For program point L530(lines 508 531) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 460 562) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point L489(lines 489 505) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point L549(lines 549 556) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2020-09-21 12:17:55,453 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point L781(line 781) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 776 792) no Hoare annotation was computed. [2020-09-21 12:17:55,454 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 776 792) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point L787-1(lines 776 792) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:17:55,455 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:17:55,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:17:55,457 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:17:55,457 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:55,457 INFO L264 CegarLoopResult]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:55,457 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:55,457 INFO L264 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:55,457 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2020-09-21 12:17:55,458 INFO L268 CegarLoopResult]: For program point L714(lines 710 732) no Hoare annotation was computed. [2020-09-21 12:17:55,458 INFO L268 CegarLoopResult]: For program point L712(lines 710 732) no Hoare annotation was computed. [2020-09-21 12:17:55,458 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2020-09-21 12:17:55,458 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2020-09-21 12:17:55,458 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2020-09-21 12:17:55,458 INFO L271 CegarLoopResult]: At program point L214(lines 189 218) the Hoare annotation is: true [2020-09-21 12:17:55,459 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-09-21 12:17:55,459 INFO L268 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-09-21 12:17:55,459 INFO L271 CegarLoopResult]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2020-09-21 12:17:55,459 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-09-21 12:17:55,459 INFO L271 CegarLoopResult]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2020-09-21 12:17:55,459 INFO L271 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: true [2020-09-21 12:17:55,460 INFO L268 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-09-21 12:17:55,460 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 12:17:55,460 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:17:55,460 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:17:55,460 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2020-09-21 12:17:55,460 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2020-09-21 12:17:55,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,461 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-09-21 12:17:55,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:55,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:55,461 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2020-09-21 12:17:55,461 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,462 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 891 898) no Hoare annotation was computed. [2020-09-21 12:17:55,462 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:17:55,462 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:17:55,462 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:55,462 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 691 698) no Hoare annotation was computed. [2020-09-21 12:17:55,462 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2020-09-21 12:17:55,463 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 691 698) the Hoare annotation is: true [2020-09-21 12:17:55,463 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 691 698) no Hoare annotation was computed. [2020-09-21 12:17:55,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:55 BoogieIcfgContainer [2020-09-21 12:17:55,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:55,485 INFO L168 Benchmark]: Toolchain (without parser) took 23501.47 ms. Allocated memory was 144.7 MB in the beginning and 507.5 MB in the end (delta: 362.8 MB). Free memory was 99.8 MB in the beginning and 92.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 370.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,486 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.52 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.2 MB in the beginning and 169.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,488 INFO L168 Benchmark]: Boogie Preprocessor took 95.56 ms. Allocated memory is still 201.3 MB. Free memory was 169.3 MB in the beginning and 165.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,489 INFO L168 Benchmark]: RCFGBuilder took 1246.96 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 194.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,490 INFO L168 Benchmark]: TraceAbstraction took 21357.91 ms. Allocated memory was 230.7 MB in the beginning and 507.5 MB in the end (delta: 276.8 MB). Free memory was 192.7 MB in the beginning and 92.6 MB in the end (delta: 100.2 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:55,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.52 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.2 MB in the beginning and 169.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.56 ms. Allocated memory is still 201.3 MB. Free memory was 169.3 MB in the beginning and 165.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.96 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 194.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21357.91 ms. Allocated memory was 230.7 MB in the beginning and 507.5 MB in the end (delta: 276.8 MB). Free memory was 192.7 MB in the beginning and 92.6 MB in the end (delta: 100.2 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321 SDtfs, 331 SDslu, 214 SDs, 0 SdLazy, 672 SolverSat, 206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 61 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 173 PreInvPairs, 196 NumberOfFragments, 587 HoareAnnotationTreeSize, 173 FomulaSimplifications, 4344 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 5004 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 47999 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...