/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:02:25,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:02:25,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:02:25,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:02:25,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:02:25,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:02:25,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:02:25,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:02:25,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:02:25,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:02:25,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:02:25,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:02:25,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:02:25,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:02:25,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:02:25,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:02:25,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:02:25,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:02:25,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:02:25,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:02:25,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:02:25,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:02:25,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:02:25,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:02:25,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:02:25,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:02:25,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:02:25,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:02:25,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:02:25,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:02:25,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:02:25,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:02:25,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:02:25,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:02:25,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:02:25,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:02:25,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:02:25,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:02:25,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:02:25,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:02:25,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:02:25,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:02:25,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:02:25,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:02:25,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:02:25,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:02:25,973 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:02:25,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:02:25,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:02:25,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:02:25,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:02:25,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:02:25,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:02:25,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:02:25,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:02:25,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:02:25,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:02:25,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:02:25,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:02:25,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:02:25,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:02:25,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:02:25,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:02:25,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:25,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:02:25,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:02:25,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:02:25,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:02:25,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:02:25,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:02:25,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:02:25,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:02:26,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:02:26,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:02:26,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:02:26,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:02:26,294 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:02:26,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2020-10-14 07:02:26,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7593474e/13085eb256294b3297648a0577077690/FLAG2e3b46b09 [2020-10-14 07:02:26,897 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:02:26,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2020-10-14 07:02:26,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7593474e/13085eb256294b3297648a0577077690/FLAG2e3b46b09 [2020-10-14 07:02:27,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7593474e/13085eb256294b3297648a0577077690 [2020-10-14 07:02:27,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:02:27,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:02:27,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:27,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:02:27,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:02:27,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ddf73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27, skipping insertion in model container [2020-10-14 07:02:27,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:02:27,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:02:27,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:27,511 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:02:27,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:27,769 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:02:27,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27 WrapperNode [2020-10-14 07:02:27,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:27,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:02:27,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:02:27,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:02:27,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... [2020-10-14 07:02:27,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:02:27,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:02:27,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:02:27,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:02:27,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:02:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:02:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-14 07:02:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:02:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:02:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:02:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:02:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:02:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:02:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:02:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:02:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:02:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:02:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:02:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:02:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:02:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:02:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:02:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:02:29,009 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:02:29,010 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:02:29,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:29 BoogieIcfgContainer [2020-10-14 07:02:29,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:02:29,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:02:29,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:02:29,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:02:29,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:02:27" (1/3) ... [2020-10-14 07:02:29,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6a4f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:29, skipping insertion in model container [2020-10-14 07:02:29,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:27" (2/3) ... [2020-10-14 07:02:29,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6a4f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:29, skipping insertion in model container [2020-10-14 07:02:29,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:29" (3/3) ... [2020-10-14 07:02:29,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2020-10-14 07:02:29,041 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:02:29,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:02:29,064 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:02:29,087 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:02:29,087 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:02:29,087 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:02:29,088 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:02:29,088 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:02:29,088 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:02:29,088 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:02:29,089 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:02:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-14 07:02:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:02:29,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:29,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:29,122 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:29,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:29,129 INFO L82 PathProgramCache]: Analyzing trace with hash -381422991, now seen corresponding path program 1 times [2020-10-14 07:02:29,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:29,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242747572] [2020-10-14 07:02:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:29,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:30,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:34,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:02:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 07:02:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:34,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:02:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:02:34,967 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:35,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:02:35,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:35,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:02:35,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:35,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:35,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:35,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:35,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:35,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:35,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:35,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:35,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:02:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:35,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:02:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:35,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:35,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:35,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:35,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242747572] [2020-10-14 07:02:35,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:35,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:02:35,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055544455] [2020-10-14 07:02:35,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:02:35,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:35,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:02:35,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:35,188 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 4 states. [2020-10-14 07:02:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:36,300 INFO L93 Difference]: Finished difference Result 208 states and 279 transitions. [2020-10-14 07:02:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:02:36,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:02:36,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:36,326 INFO L225 Difference]: With dead ends: 208 [2020-10-14 07:02:36,326 INFO L226 Difference]: Without dead ends: 119 [2020-10-14 07:02:36,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:36,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-14 07:02:36,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 90. [2020-10-14 07:02:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 07:02:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-10-14 07:02:36,478 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2020-10-14 07:02:36,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:36,478 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-10-14 07:02:36,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:02:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-10-14 07:02:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:02:36,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:36,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:36,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:02:36,485 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:36,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1660884333, now seen corresponding path program 1 times [2020-10-14 07:02:36,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:36,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215850787] [2020-10-14 07:02:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:36,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:37,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:38,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:02:41,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 07:02:41,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:02:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:02:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,881 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:02:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:41,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:41,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:41,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:41,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:41,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:41,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:02:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:41,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:41,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:41,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:42,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:42,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:02:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:42,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:42,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:42,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:42,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:42,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:42,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215850787] [2020-10-14 07:02:42,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:42,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:02:42,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094995031] [2020-10-14 07:02:42,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:02:42,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:42,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:02:42,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:02:42,023 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states. [2020-10-14 07:02:42,529 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:02:43,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:43,042 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2020-10-14 07:02:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:02:43,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:02:43,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:43,045 INFO L225 Difference]: With dead ends: 149 [2020-10-14 07:02:43,046 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 07:02:43,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:02:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 07:02:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-10-14 07:02:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 07:02:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-10-14 07:02:43,075 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2020-10-14 07:02:43,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:43,076 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-10-14 07:02:43,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:02:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-10-14 07:02:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 07:02:43,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:43,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:43,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:02:43,079 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:43,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:43,079 INFO L82 PathProgramCache]: Analyzing trace with hash -562457481, now seen corresponding path program 1 times [2020-10-14 07:02:43,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:43,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186861278] [2020-10-14 07:02:43,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:43,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 07:02:48,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:02:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 07:02:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:02:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:02:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,406 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 07:02:48,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:02:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:48,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:48,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:48,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:02:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:48,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:48,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:48,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 07:02:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:48,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:48,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:02:48,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:48,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:02:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:48,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186861278] [2020-10-14 07:02:48,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:48,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:02:48,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733827360] [2020-10-14 07:02:48,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:02:48,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:48,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:02:48,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:02:48,677 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2020-10-14 07:02:49,128 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:02:49,943 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:02:50,238 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:50,470 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:50,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:50,612 INFO L93 Difference]: Finished difference Result 151 states and 191 transitions. [2020-10-14 07:02:50,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:02:50,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-14 07:02:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:50,613 INFO L225 Difference]: With dead ends: 151 [2020-10-14 07:02:50,613 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:02:50,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:02:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:02:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:02:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:02:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:02:50,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-10-14 07:02:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:50,619 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:02:50,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:02:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:02:50,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:02:50,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:02:50,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:02:51,951 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:52,135 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:52,274 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:52,433 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:52,605 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:52,756 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:52,906 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:53,034 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:53,185 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:53,345 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:53,484 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:53,680 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:53,867 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:54,090 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:54,329 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:54,533 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2020-10-14 07:02:54,728 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:54,893 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:02:55,020 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:02:55,022 INFO L268 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point L282-2(lines 282 303) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 257 312) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point L304(lines 281 305) no Hoare annotation was computed. [2020-10-14 07:02:55,023 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 257 312) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 257 312) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 313 372) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 364) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 313 372) no Hoare annotation was computed. [2020-10-14 07:02:55,024 INFO L268 CegarLoopResult]: For program point L365(lines 338 366) no Hoare annotation was computed. [2020-10-14 07:02:55,025 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 313 372) no Hoare annotation was computed. [2020-10-14 07:02:55,025 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-10-14 07:02:55,025 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-10-14 07:02:55,025 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-14 07:02:55,026 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-14 07:02:55,026 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-14 07:02:55,026 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-14 07:02:55,026 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-14 07:02:55,027 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,027 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-10-14 07:02:55,027 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,028 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,029 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-10-14 07:02:55,029 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-10-14 07:02:55,029 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-10-14 07:02:55,029 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,029 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,029 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-10-14 07:02:55,030 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,030 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-10-14 07:02:55,030 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 604 627) no Hoare annotation was computed. [2020-10-14 07:02:55,030 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 604 627) no Hoare annotation was computed. [2020-10-14 07:02:55,030 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 604 627) no Hoare annotation was computed. [2020-10-14 07:02:55,032 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-10-14 07:02:55,032 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-10-14 07:02:55,032 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-10-14 07:02:55,032 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-10-14 07:02:55,032 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-10-14 07:02:55,033 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-10-14 07:02:55,034 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2020-10-14 07:02:55,035 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-10-14 07:02:55,035 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2020-10-14 07:02:55,036 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-14 07:02:55,036 INFO L268 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-10-14 07:02:55,036 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2020-10-14 07:02:55,036 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-14 07:02:55,036 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-14 07:02:55,036 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 211 256) no Hoare annotation was computed. [2020-10-14 07:02:55,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 211 256) no Hoare annotation was computed. [2020-10-14 07:02:55,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 211 256) no Hoare annotation was computed. [2020-10-14 07:02:55,037 INFO L268 CegarLoopResult]: For program point L544(lines 544 551) no Hoare annotation was computed. [2020-10-14 07:02:55,037 INFO L268 CegarLoopResult]: For program point L538(lines 538 558) no Hoare annotation was computed. [2020-10-14 07:02:55,037 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 524 569) no Hoare annotation was computed. [2020-10-14 07:02:55,038 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 558) no Hoare annotation was computed. [2020-10-14 07:02:55,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 524 569) no Hoare annotation was computed. [2020-10-14 07:02:55,038 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 524 569) no Hoare annotation was computed. [2020-10-14 07:02:55,038 INFO L271 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: true [2020-10-14 07:02:55,038 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 636 646) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,038 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 636 646) no Hoare annotation was computed. [2020-10-14 07:02:55,039 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 636 646) no Hoare annotation was computed. [2020-10-14 07:02:55,039 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 724 734) no Hoare annotation was computed. [2020-10-14 07:02:55,039 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2020-10-14 07:02:55,039 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-10-14 07:02:55,039 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 716 723) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 701 707) no Hoare annotation was computed. [2020-10-14 07:02:55,040 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 701 707) the Hoare annotation is: true [2020-10-14 07:02:55,041 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-10-14 07:02:55,041 INFO L264 CegarLoopResult]: At program point testENTRY(lines 789 854) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,041 INFO L268 CegarLoopResult]: For program point testFINAL(lines 789 854) no Hoare annotation was computed. [2020-10-14 07:02:55,041 INFO L264 CegarLoopResult]: At program point L847(lines 798 848) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:02:55,041 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-10-14 07:02:55,041 INFO L264 CegarLoopResult]: At program point L837-2(lines 829 842) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-14 07:02:55,041 INFO L268 CegarLoopResult]: For program point L800(lines 799 846) no Hoare annotation was computed. [2020-10-14 07:02:55,042 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-14 07:02:55,042 INFO L268 CegarLoopResult]: For program point L829(lines 829 842) no Hoare annotation was computed. [2020-10-14 07:02:55,042 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-14 07:02:55,042 INFO L268 CegarLoopResult]: For program point L819(lines 819 825) no Hoare annotation was computed. [2020-10-14 07:02:55,042 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2020-10-14 07:02:55,042 INFO L264 CegarLoopResult]: At program point L844(lines 799 846) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-14 07:02:55,042 INFO L264 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0)) [2020-10-14 07:02:55,043 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point testEXIT(lines 789 854) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 478 523) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 478 523) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 478 523) no Hoare annotation was computed. [2020-10-14 07:02:55,044 INFO L268 CegarLoopResult]: For program point L492(lines 492 512) no Hoare annotation was computed. [2020-10-14 07:02:55,045 INFO L268 CegarLoopResult]: For program point L492-1(lines 492 512) no Hoare annotation was computed. [2020-10-14 07:02:55,045 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:02:55,045 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-10-14 07:02:55,045 INFO L268 CegarLoopResult]: For program point L187(lines 187 197) no Hoare annotation was computed. [2020-10-14 07:02:55,045 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:55,045 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-10-14 07:02:55,045 INFO L268 CegarLoopResult]: For program point L183(lines 183 200) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point L183-1(lines 175 203) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 175 203) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 175 203) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-10-14 07:02:55,046 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 167 174) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 167 174) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-14 07:02:55,047 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 375 477) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L463(lines 463 474) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point L424-2(lines 424 444) no Hoare annotation was computed. [2020-10-14 07:02:55,048 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 375 477) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L445(lines 423 446) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L404(lines 404 420) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 375 477) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L464(lines 464 471) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L425(lines 424 444) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-10-14 07:02:55,049 INFO L268 CegarLoopResult]: For program point L421(lines 421 462) no Hoare annotation was computed. [2020-10-14 07:02:55,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,050 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string8.base| |old(#t~string8.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)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:02:55,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,050 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 708 715) no Hoare annotation was computed. [2020-10-14 07:02:55,050 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 708 715) no Hoare annotation was computed. [2020-10-14 07:02:55,050 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 708 715) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,051 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,052 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,052 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-10-14 07:02:55,052 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-10-14 07:02:55,052 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-10-14 07:02:55,052 INFO L264 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:02:55,052 INFO L264 CegarLoopResult]: At program point L688(lines 688 694) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:02:55,052 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 677 700) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,053 INFO L264 CegarLoopResult]: At program point L683(line 683) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 677 700) no Hoare annotation was computed. [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point L681(lines 680 699) no Hoare annotation was computed. [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 677 700) no Hoare annotation was computed. [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 573 602) no Hoare annotation was computed. [2020-10-14 07:02:55,053 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 573 602) the Hoare annotation is: true [2020-10-14 07:02:55,053 INFO L271 CegarLoopResult]: At program point L598(lines 573 602) the Hoare annotation is: true [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-14 07:02:55,053 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-10-14 07:02:55,054 INFO L271 CegarLoopResult]: At program point L587-1(lines 587 591) the Hoare annotation is: true [2020-10-14 07:02:55,054 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-14 07:02:55,054 INFO L271 CegarLoopResult]: At program point L583-2(lines 583 597) the Hoare annotation is: true [2020-10-14 07:02:55,055 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-10-14 07:02:55,055 INFO L268 CegarLoopResult]: For program point L579-1(line 579) no Hoare annotation was computed. [2020-10-14 07:02:55,055 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-10-14 07:02:55,055 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-10-14 07:02:55,055 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-10-14 07:02:55,055 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 628 634) no Hoare annotation was computed. [2020-10-14 07:02:55,055 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 628 634) the Hoare annotation is: true [2020-10-14 07:02:55,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,056 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-14 07:02:55,056 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:02:55,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:55,056 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 780 787) no Hoare annotation was computed. [2020-10-14 07:02:55,056 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 780 787) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,056 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 780 787) no Hoare annotation was computed. [2020-10-14 07:02:55,056 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-10-14 07:02:55,056 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-10-14 07:02:55,057 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:55,057 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2020-10-14 07:02:55,057 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-10-14 07:02:55,057 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2020-10-14 07:02:55,057 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2020-10-14 07:02:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:02:55 BoogieIcfgContainer [2020-10-14 07:02:55,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:02:55,079 INFO L168 Benchmark]: Toolchain (without parser) took 27937.51 ms. Allocated memory was 147.3 MB in the beginning and 663.7 MB in the end (delta: 516.4 MB). Free memory was 101.2 MB in the beginning and 221.3 MB in the end (delta: -120.1 MB). Peak memory consumption was 485.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,081 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.23 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 176.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,090 INFO L168 Benchmark]: Boogie Preprocessor took 94.87 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,091 INFO L168 Benchmark]: RCFGBuilder took 1154.60 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 172.3 MB in the beginning and 201.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,092 INFO L168 Benchmark]: TraceAbstraction took 26054.23 ms. Allocated memory was 235.9 MB in the beginning and 663.7 MB in the end (delta: 427.8 MB). Free memory was 201.6 MB in the beginning and 221.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 497.7 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:55,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.23 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 176.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.87 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.60 ms. Allocated memory was 206.0 MB in the beginning and 235.9 MB in the end (delta: 29.9 MB). Free memory was 172.3 MB in the beginning and 201.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26054.23 ms. Allocated memory was 235.9 MB in the beginning and 663.7 MB in the end (delta: 427.8 MB). Free memory was 201.6 MB in the beginning and 221.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 497.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 798]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || splverifierCounter <= 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 234 SDtfs, 238 SDslu, 171 SDs, 0 SdLazy, 558 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 117 PreInvPairs, 137 NumberOfFragments, 494 HoareAnnotationTreeSize, 117 FomulaSimplifications, 6990 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 4659 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 42437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...