/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:13:32,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:13:32,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:13:33,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:13:33,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:13:33,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:13:33,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:13:33,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:13:33,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:13:33,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:13:33,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:13:33,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:13:33,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:13:33,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:13:33,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:13:33,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:13:33,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:13:33,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:13:33,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:13:33,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:13:33,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:13:33,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:13:33,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:13:33,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:13:33,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:13:33,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:13:33,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:13:33,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:13:33,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:13:33,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:13:33,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:13:33,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:13:33,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:13:33,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:13:33,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:13:33,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:13:33,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:13:33,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:13:33,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:13:33,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:13:33,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:13:33,049 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 [2020-08-21 17:13:33,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:13:33,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:13:33,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:13:33,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:13:33,078 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:13:33,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:13:33,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:13:33,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:13:33,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:13:33,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:13:33,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:13:33,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:13:33,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:13:33,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:13:33,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:13:33,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:13:33,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:13:33,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:13:33,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:13:33,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:13:33,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:13:33,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:13:33,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:13:33,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:13:33,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:13:33,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:13:33,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:13:33,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:13:33,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:13:33,084 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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:13:33,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:13:33,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:13:33,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:13:33,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:13:33,394 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:13:33,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2020-08-21 17:13:33,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e209369c6/f68095bb574c4ab2b4b66757bc8d2707/FLAG16ce1a5cd [2020-08-21 17:13:34,008 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:13:34,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2020-08-21 17:13:34,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e209369c6/f68095bb574c4ab2b4b66757bc8d2707/FLAG16ce1a5cd [2020-08-21 17:13:34,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e209369c6/f68095bb574c4ab2b4b66757bc8d2707 [2020-08-21 17:13:34,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:13:34,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:13:34,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:13:34,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:13:34,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:13:34,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:34,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34, skipping insertion in model container [2020-08-21 17:13:34,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:34,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:13:34,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:13:34,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:13:34,736 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:13:34,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:13:34,947 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:13:34,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34 WrapperNode [2020-08-21 17:13:34,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:13:34,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:13:34,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:13:34,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:13:34,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:34,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:34,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:34,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:35,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:35,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:35,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (1/1) ... [2020-08-21 17:13:35,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:13:35,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:13:35,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:13:35,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:13:35,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (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 [2020-08-21 17:13:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:13:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:13:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 17:13:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 17:13:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 17:13:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 17:13:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 17:13:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:13:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 17:13:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:13:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 17:13:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 17:13:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 17:13:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 17:13:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:13:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:13:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 17:13:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:13:35,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 17:13:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:13:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:13:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:13:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 17:13:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 17:13:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 17:13:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 17:13:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 17:13:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 17:13:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 17:13:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 17:13:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 17:13:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 17:13:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 17:13:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:13:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:13:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:13:36,196 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:13:36,196 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 17:13:36,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:13:36 BoogieIcfgContainer [2020-08-21 17:13:36,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:13:36,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:13:36,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:13:36,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:13:36,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:13:34" (1/3) ... [2020-08-21 17:13:36,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5015b04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:13:36, skipping insertion in model container [2020-08-21 17:13:36,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:13:34" (2/3) ... [2020-08-21 17:13:36,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5015b04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:13:36, skipping insertion in model container [2020-08-21 17:13:36,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:13:36" (3/3) ... [2020-08-21 17:13:36,217 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2020-08-21 17:13:36,227 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:13:36,236 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:13:36,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:13:36,281 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:13:36,281 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:13:36,281 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:13:36,281 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:13:36,282 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:13:36,282 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:13:36,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:13:36,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:13:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-08-21 17:13:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 17:13:36,314 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:13:36,316 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:13:36,316 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:13:36,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:13:36,323 INFO L82 PathProgramCache]: Analyzing trace with hash 72491215, now seen corresponding path program 1 times [2020-08-21 17:13:36,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:13:36,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218413191] [2020-08-21 17:13:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:13:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:36,963 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:13:36,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:13:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:13:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:13:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:13:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:13:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 17:13:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 17:13:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 17:13:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:13:37,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218413191] [2020-08-21 17:13:37,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:13:37,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:13:37,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878996560] [2020-08-21 17:13:37,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:13:37,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:13:37,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:13:37,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:13:37,198 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2020-08-21 17:13:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:13:38,104 INFO L93 Difference]: Finished difference Result 205 states and 272 transitions. [2020-08-21 17:13:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 17:13:38,106 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 17:13:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:13:38,130 INFO L225 Difference]: With dead ends: 205 [2020-08-21 17:13:38,130 INFO L226 Difference]: Without dead ends: 115 [2020-08-21 17:13:38,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:13:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-21 17:13:38,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-08-21 17:13:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-21 17:13:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2020-08-21 17:13:38,235 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 59 [2020-08-21 17:13:38,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:13:38,235 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2020-08-21 17:13:38,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:13:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2020-08-21 17:13:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 17:13:38,242 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:13:38,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:13:38,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:13:38,243 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:13:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:13:38,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1033515287, now seen corresponding path program 1 times [2020-08-21 17:13:38,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:13:38,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399663783] [2020-08-21 17:13:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:13:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,642 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:13:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:13:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:13:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:13:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:13:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:13:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:13:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 17:13:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 17:13:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:13:38,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399663783] [2020-08-21 17:13:38,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:13:38,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:13:38,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625506493] [2020-08-21 17:13:38,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:13:38,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:13:38,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:13:38,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:13:38,752 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand 9 states. [2020-08-21 17:13:39,151 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:13:39,458 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:39,717 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:39,948 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:13:40,793 INFO L93 Difference]: Finished difference Result 178 states and 227 transitions. [2020-08-21 17:13:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:13:40,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 17:13:40,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:13:40,798 INFO L225 Difference]: With dead ends: 178 [2020-08-21 17:13:40,798 INFO L226 Difference]: Without dead ends: 115 [2020-08-21 17:13:40,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 17:13:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-21 17:13:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-08-21 17:13:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-21 17:13:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-08-21 17:13:40,828 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 64 [2020-08-21 17:13:40,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:13:40,828 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-08-21 17:13:40,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:13:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-08-21 17:13:40,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 17:13:40,831 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:13:40,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:13:40,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:13:40,832 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:13:40,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:13:40,832 INFO L82 PathProgramCache]: Analyzing trace with hash 362482495, now seen corresponding path program 1 times [2020-08-21 17:13:40,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:13:40,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951839146] [2020-08-21 17:13:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:13:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,096 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:13:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:13:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:13:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:13:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:13:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:13:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 17:13:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 17:13:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:13:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 17:13:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 17:13:41,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951839146] [2020-08-21 17:13:41,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:13:41,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:13:41,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596685296] [2020-08-21 17:13:41,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:13:41,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:13:41,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:13:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:13:41,155 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 5 states. [2020-08-21 17:13:41,618 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:13:41,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:13:41,962 INFO L93 Difference]: Finished difference Result 150 states and 182 transitions. [2020-08-21 17:13:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:13:41,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-08-21 17:13:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:13:41,967 INFO L225 Difference]: With dead ends: 150 [2020-08-21 17:13:41,968 INFO L226 Difference]: Without dead ends: 105 [2020-08-21 17:13:41,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:13:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-08-21 17:13:42,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 82. [2020-08-21 17:13:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-08-21 17:13:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-08-21 17:13:42,016 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 63 [2020-08-21 17:13:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:13:42,018 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-08-21 17:13:42,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:13:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-08-21 17:13:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-21 17:13:42,023 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:13:42,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:13:42,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:13:42,024 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:13:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:13:42,028 INFO L82 PathProgramCache]: Analyzing trace with hash 928072860, now seen corresponding path program 1 times [2020-08-21 17:13:42,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:13:42,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244862131] [2020-08-21 17:13:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:13:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,343 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:13:42,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:13:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:13:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:13:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:13:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:13:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:13:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:13:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:13:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 17:13:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 17:13:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:13:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:13:42,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244862131] [2020-08-21 17:13:42,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:13:42,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 17:13:42,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482107573] [2020-08-21 17:13:42,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:13:42,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:13:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:13:42,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:13:42,470 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2020-08-21 17:13:42,812 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:13:43,400 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:43,880 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:44,116 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:13:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:13:44,169 INFO L93 Difference]: Finished difference Result 151 states and 189 transitions. [2020-08-21 17:13:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:13:44,170 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-08-21 17:13:44,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:13:44,171 INFO L225 Difference]: With dead ends: 151 [2020-08-21 17:13:44,171 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:13:44,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 17:13:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:13:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:13:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:13:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:13:44,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-08-21 17:13:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:13:44,174 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:13:44,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:13:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:13:44,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:13:44,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:13:44,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:13:45,269 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:45,473 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:45,646 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:45,791 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 17:13:45,938 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:46,086 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:46,293 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:13:46,458 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-21 17:13:46,633 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-08-21 17:13:46,815 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-21 17:13:46,962 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 17:13:47,176 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 17:13:47,333 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 17:13:47,487 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 17:13:47,491 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-21 17:13:47,491 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point L342-2(lines 342 363) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 317 372) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point L364(lines 341 365) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 317 372) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 317 372) no Hoare annotation was computed. [2020-08-21 17:13:47,492 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-08-21 17:13:47,493 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 373 432) no Hoare annotation was computed. [2020-08-21 17:13:47,493 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-08-21 17:13:47,493 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-08-21 17:13:47,493 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 373 432) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 424) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 373 432) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L268 CegarLoopResult]: For program point L425(lines 398 426) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 17:13:47,494 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2020-08-21 17:13:47,495 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2020-08-21 17:13:47,495 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2020-08-21 17:13:47,495 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2020-08-21 17:13:47,495 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2020-08-21 17:13:47,495 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 634 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,495 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 634 641) no Hoare annotation was computed. [2020-08-21 17:13:47,496 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 634 641) no Hoare annotation was computed. [2020-08-21 17:13:47,496 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 642 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,496 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 642 651) no Hoare annotation was computed. [2020-08-21 17:13:47,496 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-08-21 17:13:47,496 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 642 651) no Hoare annotation was computed. [2020-08-21 17:13:47,496 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 17:13:47,497 INFO L268 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-08-21 17:13:47,497 INFO L268 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-08-21 17:13:47,497 INFO L271 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: true [2020-08-21 17:13:47,497 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-08-21 17:13:47,497 INFO L268 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-08-21 17:13:47,497 INFO L268 CegarLoopResult]: For program point L660-1(lines 652 680) no Hoare annotation was computed. [2020-08-21 17:13:47,498 INFO L271 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: true [2020-08-21 17:13:47,498 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-08-21 17:13:47,498 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 652 680) the Hoare annotation is: true [2020-08-21 17:13:47,498 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 652 680) no Hoare annotation was computed. [2020-08-21 17:13:47,498 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 206 228) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,498 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,499 INFO L264 CegarLoopResult]: At program point L218-1(line 218) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,499 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 206 228) no Hoare annotation was computed. [2020-08-21 17:13:47,499 INFO L268 CegarLoopResult]: For program point L216(lines 216 223) no Hoare annotation was computed. [2020-08-21 17:13:47,499 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 223) no Hoare annotation was computed. [2020-08-21 17:13:47,499 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-08-21 17:13:47,499 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,499 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,500 INFO L264 CegarLoopResult]: At program point L212-1(line 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 206 228) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 159 182) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 159 182) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 159 182) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-08-21 17:13:47,500 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-08-21 17:13:47,501 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L829(lines 829 837) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L829-2(lines 829 837) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 822 857) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-08-21 17:13:47,502 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 271 316) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 271 316) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 271 316) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point L604(lines 604 611) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 584 629) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point L598(lines 598 618) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 618) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 584 629) no Hoare annotation was computed. [2020-08-21 17:13:47,503 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 584 629) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 192 202) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 192 202) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 192 202) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L271 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: true [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 802 812) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 794 801) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2020-08-21 17:13:47,504 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2020-08-21 17:13:47,505 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 779 785) no Hoare annotation was computed. [2020-08-21 17:13:47,505 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 779 785) the Hoare annotation is: true [2020-08-21 17:13:47,505 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 17:13:47,505 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 745) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,505 INFO L264 CegarLoopResult]: At program point L735(lines 692 737) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 17:13:47,505 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-08-21 17:13:47,505 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-08-21 17:13:47,505 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 745) no Hoare annotation was computed. [2020-08-21 17:13:47,505 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L264 CegarLoopResult]: At program point L738(lines 691 739) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L264 CegarLoopResult]: At program point L728-2(lines 722 733) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point L693(lines 692 737) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point L722(lines 722 733) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 745) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 538 583) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 538 583) no Hoare annotation was computed. [2020-08-21 17:13:47,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 538 583) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L552(lines 552 572) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L552-1(lines 552 572) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2020-08-21 17:13:47,507 INFO L268 CegarLoopResult]: For program point L481(lines 481 522) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 435 537) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L523(lines 523 534) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 435 537) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L484-2(lines 484 504) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L505(lines 483 506) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 435 537) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L464(lines 464 480) no Hoare annotation was computed. [2020-08-21 17:13:47,508 INFO L268 CegarLoopResult]: For program point L524(lines 524 531) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point L485(lines 484 504) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#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~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.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~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 786 793) no Hoare annotation was computed. [2020-08-21 17:13:47,509 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 17:13:47,510 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-21 17:13:47,511 INFO L271 CegarLoopResult]: At program point L766(lines 766 772) the Hoare annotation is: true [2020-08-21 17:13:47,511 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 17:13:47,511 INFO L268 CegarLoopResult]: For program point L759(lines 755 777) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L268 CegarLoopResult]: For program point L757(lines 755 777) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 752 778) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,511 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 752 778) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 752 778) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2020-08-21 17:13:47,511 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2020-08-21 17:13:47,512 INFO L271 CegarLoopResult]: At program point L153(lines 128 157) the Hoare annotation is: true [2020-08-21 17:13:47,512 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-21 17:13:47,512 INFO L268 CegarLoopResult]: For program point L142(lines 142 146) no Hoare annotation was computed. [2020-08-21 17:13:47,512 INFO L271 CegarLoopResult]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2020-08-21 17:13:47,512 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 17:13:47,512 INFO L271 CegarLoopResult]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2020-08-21 17:13:47,512 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-21 17:13:47,513 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-21 17:13:47,513 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 17:13:47,513 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 17:13:47,513 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 17:13:47,513 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 183 189) no Hoare annotation was computed. [2020-08-21 17:13:47,513 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 183 189) the Hoare annotation is: true [2020-08-21 17:13:47,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,514 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 17:13:47,514 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:13:47,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:13:47,514 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 17:13:47,514 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 17:13:47,515 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 17:13:47,515 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2020-08-21 17:13:47,515 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2020-08-21 17:13:47,515 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2020-08-21 17:13:47,515 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2020-08-21 17:13:47,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:13:47 BoogieIcfgContainer [2020-08-21 17:13:47,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:13:47,534 INFO L168 Benchmark]: Toolchain (without parser) took 13213.71 ms. Allocated memory was 140.5 MB in the beginning and 481.8 MB in the end (delta: 341.3 MB). Free memory was 103.1 MB in the beginning and 136.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 307.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:13:47,535 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 17:13:47,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.66 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.9 MB in the beginning and 174.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:13:47,537 INFO L168 Benchmark]: Boogie Preprocessor took 99.65 ms. Allocated memory is still 203.4 MB. Free memory was 174.3 MB in the beginning and 169.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-21 17:13:47,537 INFO L168 Benchmark]: RCFGBuilder took 1157.43 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.9 MB in the beginning and 203.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:13:47,538 INFO L168 Benchmark]: TraceAbstraction took 11322.31 ms. Allocated memory was 236.5 MB in the beginning and 481.8 MB in the end (delta: 245.4 MB). Free memory was 201.6 MB in the beginning and 136.7 MB in the end (delta: 64.9 MB). Peak memory consumption was 310.4 MB. Max. memory is 7.1 GB. [2020-08-21 17:13:47,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.66 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.9 MB in the beginning and 174.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.65 ms. Allocated memory is still 203.4 MB. Free memory was 174.3 MB in the beginning and 169.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.43 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.9 MB in the beginning and 203.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11322.31 ms. Allocated memory was 236.5 MB in the beginning and 481.8 MB in the end (delta: 245.4 MB). Free memory was 201.6 MB in the beginning and 136.7 MB in the end (delta: 64.9 MB). Peak memory consumption was 310.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 692]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(1 == systemActive)) || splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 477 SDslu, 277 SDs, 0 SdLazy, 873 SolverSat, 290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 71 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 149 PreInvPairs, 167 NumberOfFragments, 512 HoareAnnotationTreeSize, 149 FomulaSimplifications, 7732 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 43 FomulaSimplificationsInter, 4675 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 72574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...