/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:38:08,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:38:08,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:38:08,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:38:08,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:38:08,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:38:08,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:38:08,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:38:08,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:38:08,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:38:08,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:38:08,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:38:08,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:38:08,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:38:08,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:38:08,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:38:08,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:38:08,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:38:08,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:38:08,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:38:08,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:38:08,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:38:08,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:38:08,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:38:08,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:38:08,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:38:08,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:38:08,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:38:08,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:38:08,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:38:08,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:38:08,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:38:08,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:38:08,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:38:08,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:38:08,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:38:08,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:38:08,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:38:08,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:38:08,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:38:08,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:38:08,985 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 [2020-08-18 17:38:09,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:38:09,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:38:09,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:38:09,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:38:09,025 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:38:09,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:38:09,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:38:09,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:38:09,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:38:09,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:38:09,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:38:09,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:38:09,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:38:09,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:38:09,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:38:09,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:38:09,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:38:09,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:38:09,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:38:09,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:38:09,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:38:09,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:09,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:38:09,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:38:09,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:38:09,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:38:09,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:38:09,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:38:09,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:38:09,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:38:09,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:38:09,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:38:09,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:38:09,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:38:09,354 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:38:09,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-08-18 17:38:09,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcd00225d/4567304b2f174e57b4e4451af077dba4/FLAG70e47e224 [2020-08-18 17:38:09,949 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:38:09,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-08-18 17:38:09,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcd00225d/4567304b2f174e57b4e4451af077dba4/FLAG70e47e224 [2020-08-18 17:38:10,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcd00225d/4567304b2f174e57b4e4451af077dba4 [2020-08-18 17:38:10,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:38:10,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:38:10,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:38:10,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:38:10,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10, skipping insertion in model container [2020-08-18 17:38:10,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:38:10,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:38:10,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,775 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:38:10,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,946 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:38:10,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10 WrapperNode [2020-08-18 17:38:10,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:38:10,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:38:10,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:38:10,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:11,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:11,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:11,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:11,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:38:11,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:38:11,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:38:11,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:38:11,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (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 [2020-08-18 17:38:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:38:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:38:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:38:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:38:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:38:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:38:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:38:11,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:38:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:38:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:38:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:38:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:38:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:38:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:38:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:38:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:38:11,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 17:38:11,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:38:11,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:38:11,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:38:11,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:38:11,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:38:11,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:38:11,133 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:38:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:38:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:38:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:38:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:38:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:38:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 17:38:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:38:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:38:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:38:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:38:12,149 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:38:12,150 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:38:12,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12 BoogieIcfgContainer [2020-08-18 17:38:12,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:38:12,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:38:12,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:38:12,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:38:12,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:38:10" (1/3) ... [2020-08-18 17:38:12,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6359929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (2/3) ... [2020-08-18 17:38:12,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6359929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12" (3/3) ... [2020-08-18 17:38:12,163 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-08-18 17:38:12,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:38:12,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:38:12,199 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:38:12,228 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:38:12,228 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:38:12,229 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:38:12,229 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:38:12,229 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:38:12,229 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:38:12,229 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:38:12,229 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:38:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-08-18 17:38:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:38:12,259 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:12,260 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] [2020-08-18 17:38:12,260 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:12,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2125961732, now seen corresponding path program 1 times [2020-08-18 17:38:12,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:12,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357610475] [2020-08-18 17:38:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,984 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:38:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:13,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357610475] [2020-08-18 17:38:13,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:13,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:38:13,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148351717] [2020-08-18 17:38:13,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:38:13,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:13,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:38:13,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:13,090 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 3 states. [2020-08-18 17:38:14,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:14,128 INFO L93 Difference]: Finished difference Result 246 states and 327 transitions. [2020-08-18 17:38:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:38:14,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:38:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:14,145 INFO L225 Difference]: With dead ends: 246 [2020-08-18 17:38:14,146 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 17:38:14,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:14,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 17:38:14,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 103. [2020-08-18 17:38:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-18 17:38:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-08-18 17:38:14,232 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2020-08-18 17:38:14,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:14,233 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-08-18 17:38:14,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:38:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-08-18 17:38:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:38:14,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:14,237 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] [2020-08-18 17:38:14,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:38:14,237 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:14,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:14,238 INFO L82 PathProgramCache]: Analyzing trace with hash -123733741, now seen corresponding path program 1 times [2020-08-18 17:38:14,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:14,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941189534] [2020-08-18 17:38:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,607 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:14,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:38:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:14,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941189534] [2020-08-18 17:38:14,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:14,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:38:14,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916859600] [2020-08-18 17:38:14,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:38:14,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:14,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:38:14,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:38:14,691 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 4 states. [2020-08-18 17:38:15,159 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:15,835 INFO L93 Difference]: Finished difference Result 175 states and 214 transitions. [2020-08-18 17:38:15,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:38:15,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:38:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:15,840 INFO L225 Difference]: With dead ends: 175 [2020-08-18 17:38:15,840 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 17:38:15,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:38:15,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 17:38:15,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-08-18 17:38:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-18 17:38:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-18 17:38:15,875 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2020-08-18 17:38:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:15,876 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-18 17:38:15,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:38:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-18 17:38:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:38:15,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:15,878 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] [2020-08-18 17:38:15,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:38:15,879 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924118, now seen corresponding path program 1 times [2020-08-18 17:38:15,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:15,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085372730] [2020-08-18 17:38:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,241 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:38:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:16,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085372730] [2020-08-18 17:38:16,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:16,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:16,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587730729] [2020-08-18 17:38:16,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:16,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:16,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:16,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:16,366 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 8 states. [2020-08-18 17:38:16,709 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:16,993 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,224 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,483 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:18,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:18,388 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2020-08-18 17:38:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:38:18,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 17:38:18,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:18,391 INFO L225 Difference]: With dead ends: 188 [2020-08-18 17:38:18,392 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 17:38:18,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:38:18,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 17:38:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2020-08-18 17:38:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-18 17:38:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2020-08-18 17:38:18,424 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2020-08-18 17:38:18,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:18,425 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2020-08-18 17:38:18,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2020-08-18 17:38:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 17:38:18,427 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:18,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:18,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:38:18,428 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:18,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:18,428 INFO L82 PathProgramCache]: Analyzing trace with hash 886985955, now seen corresponding path program 1 times [2020-08-18 17:38:18,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:18,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123005839] [2020-08-18 17:38:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,733 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:38:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:38:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 17:38:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 17:38:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:18,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123005839] [2020-08-18 17:38:18,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:18,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:18,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102626225] [2020-08-18 17:38:18,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:18,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:18,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:18,810 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 8 states. [2020-08-18 17:38:19,151 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:20,006 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:20,326 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:20,835 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:21,062 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:21,419 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:21,806 INFO L93 Difference]: Finished difference Result 294 states and 387 transitions. [2020-08-18 17:38:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:38:21,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-18 17:38:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:21,812 INFO L225 Difference]: With dead ends: 294 [2020-08-18 17:38:21,812 INFO L226 Difference]: Without dead ends: 224 [2020-08-18 17:38:21,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:38:21,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-08-18 17:38:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 155. [2020-08-18 17:38:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-08-18 17:38:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2020-08-18 17:38:21,873 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 60 [2020-08-18 17:38:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:21,874 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2020-08-18 17:38:21,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2020-08-18 17:38:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 17:38:21,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:21,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:21,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:38:21,882 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:21,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:21,882 INFO L82 PathProgramCache]: Analyzing trace with hash -179507553, now seen corresponding path program 1 times [2020-08-18 17:38:21,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:21,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009666358] [2020-08-18 17:38:21,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,250 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 17:38:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:38:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:38:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 17:38:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 17:38:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:22,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009666358] [2020-08-18 17:38:22,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:22,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:38:22,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942733421] [2020-08-18 17:38:22,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:38:22,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:22,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:38:22,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:38:22,343 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand 9 states. [2020-08-18 17:38:22,691 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:23,502 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:23,770 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:24,001 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:24,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:24,130 INFO L93 Difference]: Finished difference Result 281 states and 348 transitions. [2020-08-18 17:38:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:24,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 17:38:24,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:24,131 INFO L225 Difference]: With dead ends: 281 [2020-08-18 17:38:24,132 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:38:24,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:38:24,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:38:24,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:38:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:38:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:38:24,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-18 17:38:24,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:24,136 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:38:24,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:38:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:38:24,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:38:24,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:38:24,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:38:25,015 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-08-18 17:38:26,147 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 17:38:26,317 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:26,487 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:26,826 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 17:38:27,008 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:27,165 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:27,496 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 17:38:27,660 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:27,944 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 17:38:28,246 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 17:38:28,578 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 17:38:28,756 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:28,907 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:29,063 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:29,213 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:29,519 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 17:38:29,764 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:30,112 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 17:38:30,310 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:30,479 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:30,639 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:30,644 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 17:38:30,644 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 17:38:30,644 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 17:38:30,644 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 17:38:30,644 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:38:30,645 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 17:38:30,646 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-08-18 17:38:30,647 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-08-18 17:38:30,647 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-18 17:38:30,647 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-08-18 17:38:30,647 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-18 17:38:30,647 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 521 543) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,647 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2020-08-18 17:38:30,647 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,648 INFO L264 CegarLoopResult]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,648 INFO L268 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-08-18 17:38:30,648 INFO L268 CegarLoopResult]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2020-08-18 17:38:30,648 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 17:38:30,648 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,649 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,649 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,649 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 521 543) no Hoare annotation was computed. [2020-08-18 17:38:30,649 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-08-18 17:38:30,649 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-08-18 17:38:30,649 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-08-18 17:38:30,649 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-18 17:38:30,650 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2020-08-18 17:38:30,651 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point L851(lines 851 859) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point L851-2(lines 851 859) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 832 867) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point L839(lines 839 847) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 832 867) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 832 867) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-08-18 17:38:30,652 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:38:30,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L271 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: true [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2020-08-18 17:38:30,654 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2020-08-18 17:38:30,654 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2020-08-18 17:38:30,655 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 804 811) no Hoare annotation was computed. [2020-08-18 17:38:30,655 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2020-08-18 17:38:30,655 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,655 INFO L268 CegarLoopResult]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2020-08-18 17:38:30,655 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,655 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,655 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,656 INFO L268 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-08-18 17:38:30,656 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,656 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-08-18 17:38:30,656 INFO L268 CegarLoopResult]: For program point L775(lines 775 792) no Hoare annotation was computed. [2020-08-18 17:38:30,656 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2020-08-18 17:38:30,656 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2020-08-18 17:38:30,656 INFO L264 CegarLoopResult]: At program point testENTRY(lines 667 732) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,656 INFO L268 CegarLoopResult]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2020-08-18 17:38:30,656 INFO L264 CegarLoopResult]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,657 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-08-18 17:38:30,657 INFO L264 CegarLoopResult]: At program point L715-2(lines 707 720) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,657 INFO L268 CegarLoopResult]: For program point L678(lines 677 724) no Hoare annotation was computed. [2020-08-18 17:38:30,657 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,657 INFO L268 CegarLoopResult]: For program point L707(lines 707 720) no Hoare annotation was computed. [2020-08-18 17:38:30,657 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,657 INFO L268 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L264 CegarLoopResult]: At program point L722(lines 677 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,658 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2020-08-18 17:38:30,658 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-08-18 17:38:30,659 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 649) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 633 655) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 633 655) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 633 655) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 17:38:30,660 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 17:38:30,661 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-08-18 17:38:30,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~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~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.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~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 796 803) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 796 803) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 796 803) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 656 664) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,664 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:38:30,664 INFO L268 CegarLoopResult]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2020-08-18 17:38:30,664 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2020-08-18 17:38:30,664 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,664 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,664 INFO L264 CegarLoopResult]: At program point L750(lines 750 756) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,664 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2020-08-18 17:38:30,664 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:30,664 INFO L268 CegarLoopResult]: For program point L743(lines 742 761) no Hoare annotation was computed. [2020-08-18 17:38:30,664 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-18 17:38:30,665 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2020-08-18 17:38:30,665 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,666 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:38:30,666 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:38:30,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:30,667 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2020-08-18 17:38:30,667 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 17:38:30,667 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 868 875) no Hoare annotation was computed. [2020-08-18 17:38:30,667 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2020-08-18 17:38:30,667 INFO L268 CegarLoopResult]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2020-08-18 17:38:30,667 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:30,667 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-08-18 17:38:30,668 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-08-18 17:38:30,668 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-08-18 17:38:30,668 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-08-18 17:38:30,668 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-08-18 17:38:30,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-08-18 17:38:30,668 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:30,668 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-08-18 17:38:30,669 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:30,669 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-08-18 17:38:30,669 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-08-18 17:38:30,669 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-08-18 17:38:30,669 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-08-18 17:38:30,669 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-08-18 17:38:30,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:38:30 BoogieIcfgContainer [2020-08-18 17:38:30,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:38:30,689 INFO L168 Benchmark]: Toolchain (without parser) took 20410.61 ms. Allocated memory was 139.5 MB in the beginning and 559.9 MB in the end (delta: 420.5 MB). Free memory was 101.8 MB in the beginning and 327.8 MB in the end (delta: -226.0 MB). Peak memory consumption was 440.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,690 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.18 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 170.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,691 INFO L168 Benchmark]: Boogie Preprocessor took 99.82 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,692 INFO L168 Benchmark]: RCFGBuilder took 1107.18 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 199.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,693 INFO L168 Benchmark]: TraceAbstraction took 18530.43 ms. Allocated memory was 235.9 MB in the beginning and 559.9 MB in the end (delta: 324.0 MB). Free memory was 199.5 MB in the beginning and 327.8 MB in the end (delta: -128.3 MB). Peak memory consumption was 442.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:30,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.18 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 170.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.82 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1107.18 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 199.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18530.43 ms. Allocated memory was 235.9 MB in the beginning and 559.9 MB in the end (delta: 324.0 MB). Free memory was 199.5 MB in the beginning and 327.8 MB in the end (delta: -128.3 MB). Peak memory consumption was 442.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 414 SDtfs, 716 SDslu, 286 SDs, 0 SdLazy, 1478 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, 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, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 722 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...