/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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:59:42,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:59:42,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:59:42,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:59:42,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:59:42,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:59:42,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:59:42,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:59:42,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:59:42,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:59:42,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:59:42,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:59:42,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:59:42,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:59:42,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:59:42,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:59:42,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:59:42,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:59:42,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:59:42,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:59:42,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:59:42,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:59:42,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:59:42,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:59:42,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:59:42,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:59:42,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:59:42,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:59:42,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:59:42,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:59:42,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:59:42,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:59:42,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:59:42,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:59:42,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:59:42,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:59:42,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:59:42,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:59:42,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:59:42,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:59:42,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:59:42,986 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 06:59:43,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:59:43,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:59:43,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:59:43,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:59:43,025 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:59:43,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:59:43,025 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:59:43,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:59:43,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:59:43,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:59:43,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:59:43,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:59:43,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:59:43,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:59:43,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:59:43,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:59:43,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:59:43,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:59:43,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:59:43,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:59:43,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:59:43,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:59:43,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:59:43,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:59:43,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:59:43,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:59:43,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:59:43,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:59:43,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:59:43,031 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 06:59:43,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:59:43,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:59:43,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:59:43,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:59:43,379 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:59:43,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-10-14 06:59:43,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365f5ef82/789a6b936c054fd59cd74806d8f8c106/FLAGd0bc08bbf [2020-10-14 06:59:43,897 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:59:43,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-10-14 06:59:43,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365f5ef82/789a6b936c054fd59cd74806d8f8c106/FLAGd0bc08bbf [2020-10-14 06:59:44,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365f5ef82/789a6b936c054fd59cd74806d8f8c106 [2020-10-14 06:59:44,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:59:44,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:59:44,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:59:44,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:59:44,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:59:44,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5319fc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44, skipping insertion in model container [2020-10-14 06:59:44,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:59:44,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:59:44,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:59:44,782 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:59:44,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:59:44,894 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:59:44,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44 WrapperNode [2020-10-14 06:59:44,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:59:44,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:59:44,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:59:44,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:59:44,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (1/1) ... [2020-10-14 06:59:44,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:59:44,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:59:44,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:59:44,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:59:44,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (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 06:59:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:59:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:59:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:59:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:59:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:59:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 06:59:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 06:59:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-14 06:59:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:59:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:59:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:59:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:59:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:59:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:59:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:59:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:59:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:59:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:59:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 06:59:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 06:59:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 06:59:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:59:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:59:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:59:46,053 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:59:46,054 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 06:59:46,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:59:46 BoogieIcfgContainer [2020-10-14 06:59:46,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:59:46,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:59:46,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:59:46,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:59:46,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:59:44" (1/3) ... [2020-10-14 06:59:46,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259e2ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:59:46, skipping insertion in model container [2020-10-14 06:59:46,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:59:44" (2/3) ... [2020-10-14 06:59:46,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259e2ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:59:46, skipping insertion in model container [2020-10-14 06:59:46,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:59:46" (3/3) ... [2020-10-14 06:59:46,066 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-10-14 06:59:46,076 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:59:46,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:59:46,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:59:46,119 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:59:46,119 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:59:46,119 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:59:46,119 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:59:46,119 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:59:46,120 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:59:46,120 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:59:46,120 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:59:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-10-14 06:59:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 06:59:46,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:46,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:59:46,152 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:46,160 INFO L82 PathProgramCache]: Analyzing trace with hash -288124257, now seen corresponding path program 1 times [2020-10-14 06:59:46,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:46,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112364783] [2020-10-14 06:59:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:48,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:50,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:50,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 06:59:50,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:59:50,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4323 [2020-10-14 06:59:50,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:50,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:50,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:59:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 06:59:51,174 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:51,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:59:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:51,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:59:51,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:59:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:51,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:59:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:51,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:59:51,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:51,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:59:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:51,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:51,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:59:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 06:59:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 06:59:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:51,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:51,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:51,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:51,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:51,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:51,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:51,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:51,305 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 06:59:51,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112364783] [2020-10-14 06:59:51,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:59:51,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 06:59:51,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81811791] [2020-10-14 06:59:51,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 06:59:51,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:59:51,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 06:59:51,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 06:59:51,331 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-10-14 06:59:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:59:52,347 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-10-14 06:59:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 06:59:52,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 06:59:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:59:52,362 INFO L225 Difference]: With dead ends: 270 [2020-10-14 06:59:52,362 INFO L226 Difference]: Without dead ends: 147 [2020-10-14 06:59:52,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 06:59:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-14 06:59:52,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-10-14 06:59:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-14 06:59:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-10-14 06:59:52,450 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-10-14 06:59:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:59:52,450 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-10-14 06:59:52,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 06:59:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-10-14 06:59:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 06:59:52,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:52,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:59:52,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:59:52,457 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:52,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:52,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1803412453, now seen corresponding path program 1 times [2020-10-14 06:59:52,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:52,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093424895] [2020-10-14 06:59:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:52,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:54,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 06:59:57,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:59:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 06:59:57,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:59:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 06:59:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:59:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,817 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:59:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:59:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:57,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 06:59:57,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:59:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:57,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:59:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:57,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:59:57,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:59:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:57,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:57,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:59:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:59:57,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:57,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:59:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 06:59:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:57,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:59:57,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:59:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:57,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:57,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:59:57,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:59:57,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:59:57,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:59:57,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:59:57,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:59:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:59:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:59:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:59:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:59:57,941 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 06:59:57,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093424895] [2020-10-14 06:59:57,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:59:57,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 06:59:57,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138874202] [2020-10-14 06:59:57,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 06:59:57,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:59:57,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 06:59:57,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 06:59:57,949 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-10-14 06:59:58,365 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 06:59:58,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:59:58,972 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-10-14 06:59:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 06:59:58,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-14 06:59:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:59:58,975 INFO L225 Difference]: With dead ends: 193 [2020-10-14 06:59:58,975 INFO L226 Difference]: Without dead ends: 131 [2020-10-14 06:59:58,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 06:59:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-14 06:59:59,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-10-14 06:59:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-14 06:59:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-10-14 06:59:59,014 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-10-14 06:59:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:59:59,014 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-10-14 06:59:59,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 06:59:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-10-14 06:59:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 06:59:59,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:59:59,020 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 06:59:59,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:59:59,020 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:59:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:59:59,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1345236079, now seen corresponding path program 1 times [2020-10-14 06:59:59,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:59:59,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251596696] [2020-10-14 06:59:59,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:59:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:59:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:59:59,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:00,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:02,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:02,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 07:00:02,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:00:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3778 [2020-10-14 07:00:02,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:02,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:00:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 07:00:02,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:00:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:00:03,189 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:00:03,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:00:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:00:03,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:00:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:00:03,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:00:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:00:03,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:00:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:00:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:00:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:00:03,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:00:03,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:00:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:00:03,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:00:03,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:00:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:00:03,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:00:03,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:00:03,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:00:03,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:00:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:00:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:00:03,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:00:03,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:00:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:00:03,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:00:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:00:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:00:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:00:03,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:00:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:00:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:00:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:00:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:00:03,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:00:03,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:00:03,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:00:03,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:00:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:00:03,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:00:03,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:00:03,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:00:03,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:00:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:00:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:00:03,331 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 07:00:03,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251596696] [2020-10-14 07:00:03,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:00:03,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:00:03,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951408743] [2020-10-14 07:00:03,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:00:03,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:00:03,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:00:03,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:00:03,333 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2020-10-14 07:00:03,639 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:00:04,449 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:00:04,705 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:00:04,930 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:00:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:00:05,037 INFO L93 Difference]: Finished difference Result 178 states and 221 transitions. [2020-10-14 07:00:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:00:05,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-14 07:00:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:00:05,038 INFO L225 Difference]: With dead ends: 178 [2020-10-14 07:00:05,039 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:00:05,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:00:05,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:00:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:00:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:00:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:00:05,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-10-14 07:00:05,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:00:05,042 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:00:05,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:00:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:00:05,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:00:05,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:00:05,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:00:06,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-14 07:00:06,302 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:06,462 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:06,601 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:06,733 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-14 07:00:06,846 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-14 07:00:06,973 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-14 07:00:07,172 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:00:07,312 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-14 07:00:07,490 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-14 07:00:07,638 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-14 07:00:07,780 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:07,922 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:08,075 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:08,208 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-14 07:00:08,351 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:08,502 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2020-10-14 07:00:08,666 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-14 07:00:08,682 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 07:00:08,682 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-10-14 07:00:08,682 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-10-14 07:00:08,682 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:00:08,682 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:00:08,683 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-10-14 07:00:08,684 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-10-14 07:00:08,685 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-10-14 07:00:08,685 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-10-14 07:00:08,685 INFO L264 CegarLoopResult]: At program point L930-1(line 930) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,685 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-10-14 07:00:08,685 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2020-10-14 07:00:08,685 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-10-14 07:00:08,685 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 918 940) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,686 INFO L264 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,686 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,686 INFO L264 CegarLoopResult]: At program point L924-1(line 924) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,686 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2020-10-14 07:00:08,686 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 918 940) no Hoare annotation was computed. [2020-10-14 07:00:08,686 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 877 900) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 877 900) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 877 900) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-10-14 07:00:08,687 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-10-14 07:00:08,688 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-14 07:00:08,689 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2020-10-14 07:00:08,689 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,689 INFO L268 CegarLoopResult]: For program point L762(lines 762 768) no Hoare annotation was computed. [2020-10-14 07:00:08,689 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 758 772) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-14 07:00:08,689 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 758 772) no Hoare annotation was computed. [2020-10-14 07:00:08,689 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2020-10-14 07:00:08,689 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 694 702) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L271 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 739 757) no Hoare annotation was computed. [2020-10-14 07:00:08,690 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 703 738) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 703 738) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point L710(lines 710 718) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 703 738) no Hoare annotation was computed. [2020-10-14 07:00:08,691 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-10-14 07:00:08,692 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 908 917) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 683 693) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 683 693) no Hoare annotation was computed. [2020-10-14 07:00:08,693 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 683 693) no Hoare annotation was computed. [2020-10-14 07:00:08,694 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2020-10-14 07:00:08,694 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-10-14 07:00:08,694 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-10-14 07:00:08,694 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,694 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,694 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-10-14 07:00:08,694 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2020-10-14 07:00:08,694 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,695 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-10-14 07:00:08,695 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-10-14 07:00:08,695 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,695 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,695 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-10-14 07:00:08,695 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-10-14 07:00:08,695 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-10-14 07:00:08,695 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L264 CegarLoopResult]: At program point testENTRY(lines 515 582) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,696 INFO L264 CegarLoopResult]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,696 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,696 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L268 CegarLoopResult]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-14 07:00:08,696 INFO L264 CegarLoopResult]: At program point L575(lines 524 576) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,697 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,697 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-10-14 07:00:08,697 INFO L264 CegarLoopResult]: At program point L563-1(lines 555 570) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,697 INFO L268 CegarLoopResult]: For program point L526(lines 525 574) no Hoare annotation was computed. [2020-10-14 07:00:08,697 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,697 INFO L268 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-10-14 07:00:08,697 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 649 656) no Hoare annotation was computed. [2020-10-14 07:00:08,698 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 649 656) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 649 656) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-10-14 07:00:08,699 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-10-14 07:00:08,700 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-10-14 07:00:08,701 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-10-14 07:00:08,702 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,702 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#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 07:00:08,702 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,702 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-10-14 07:00:08,702 INFO L268 CegarLoopResult]: For program point L669-1(lines 658 674) no Hoare annotation was computed. [2020-10-14 07:00:08,702 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 658 674) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 658 674) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,703 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:00:08,704 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-10-14 07:00:08,704 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-10-14 07:00:08,704 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,705 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,705 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:00:08,705 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-10-14 07:00:08,705 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:00:08,705 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-10-14 07:00:08,705 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-10-14 07:00:08,705 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2020-10-14 07:00:08,705 INFO L268 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point L872(lines 847 876) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-10-14 07:00:08,706 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-10-14 07:00:08,706 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-10-14 07:00:08,707 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-10-14 07:00:08,707 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2020-10-14 07:00:08,707 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2020-10-14 07:00:08,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,707 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-14 07:00:08,707 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:00:08,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 773 780) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:00:08,708 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-14 07:00:08,709 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-14 07:00:08,709 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-14 07:00:08,709 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2020-10-14 07:00:08,709 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:00:08,709 INFO L268 CegarLoopResult]: For program point L794(lines 794 800) no Hoare annotation was computed. [2020-10-14 07:00:08,709 INFO L271 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: true [2020-10-14 07:00:08,709 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2020-10-14 07:00:08,709 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-10-14 07:00:08,709 INFO L268 CegarLoopResult]: For program point L790(lines 790 803) no Hoare annotation was computed. [2020-10-14 07:00:08,710 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2020-10-14 07:00:08,710 INFO L271 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: true [2020-10-14 07:00:08,710 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-10-14 07:00:08,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:00:08 BoogieIcfgContainer [2020-10-14 07:00:08,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:00:08,727 INFO L168 Benchmark]: Toolchain (without parser) took 24484.55 ms. Allocated memory was 148.4 MB in the beginning and 639.6 MB in the end (delta: 491.3 MB). Free memory was 103.8 MB in the beginning and 165.2 MB in the end (delta: -61.4 MB). Peak memory consumption was 463.2 MB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,728 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.28 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 172.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,729 INFO L168 Benchmark]: Boogie Preprocessor took 89.11 ms. Allocated memory is still 206.6 MB. Free memory was 172.8 MB in the beginning and 169.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,730 INFO L168 Benchmark]: RCFGBuilder took 1072.11 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 169.0 MB in the beginning and 188.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,731 INFO L168 Benchmark]: TraceAbstraction took 22665.72 ms. Allocated memory was 233.8 MB in the beginning and 639.6 MB in the end (delta: 405.8 MB). Free memory was 188.5 MB in the beginning and 165.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:00:08,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.28 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 172.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.11 ms. Allocated memory is still 206.6 MB. Free memory was 172.8 MB in the beginning and 169.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1072.11 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 169.0 MB in the beginning and 188.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22665.72 ms. Allocated memory was 233.8 MB in the beginning and 639.6 MB in the end (delta: 405.8 MB). Free memory was 188.5 MB in the beginning and 165.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 462.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 524]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 279 SDslu, 118 SDs, 0 SdLazy, 536 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred 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, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 155 PreInvPairs, 173 NumberOfFragments, 541 HoareAnnotationTreeSize, 155 FomulaSimplifications, 3402 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4942 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 34238 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...