/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:31:06,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:31:06,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:31:06,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:31:06,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:31:07,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:31:07,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:31:07,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:31:07,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:31:07,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:31:07,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:31:07,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:31:07,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:31:07,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:31:07,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:31:07,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:31:07,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:31:07,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:31:07,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:31:07,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:31:07,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:31:07,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:31:07,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:31:07,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:31:07,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:31:07,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:31:07,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:31:07,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:31:07,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:31:07,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:31:07,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:31:07,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:31:07,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:31:07,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:31:07,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:31:07,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:31:07,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:31:07,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:31:07,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:31:07,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:31:07,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:31:07,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 12:31:07,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:31:07,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:31:07,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:31:07,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:31:07,116 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:31:07,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:31:07,116 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:31:07,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:31:07,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:31:07,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:31:07,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:31:07,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:31:07,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:31:07,119 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:31:07,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:31:07,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:31:07,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:31:07,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:31:07,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:31:07,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:31:07,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:31:07,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:07,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:31:07,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:31:07,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:31:07,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:31:07,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:31:07,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:31:07,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:31:07,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:31:07,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:31:07,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:31:07,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:31:07,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:31:07,438 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:31:07,439 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-10-13 12:31:07,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84f8364dc/8d6fabbaf6a0403b8cbadf2ccf186b1c/FLAG117cb39c5 [2020-10-13 12:31:08,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:31:08,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-10-13 12:31:08,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84f8364dc/8d6fabbaf6a0403b8cbadf2ccf186b1c/FLAG117cb39c5 [2020-10-13 12:31:08,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84f8364dc/8d6fabbaf6a0403b8cbadf2ccf186b1c [2020-10-13 12:31:08,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:31:08,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:31:08,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:08,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:31:08,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:31:08,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:08" (1/1) ... [2020-10-13 12:31:08,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21046f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:08, skipping insertion in model container [2020-10-13 12:31:08,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:08" (1/1) ... [2020-10-13 12:31:08,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:31:08,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:31:08,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:08,905 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:31:09,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:09,060 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:31:09,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09 WrapperNode [2020-10-13 12:31:09,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:09,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:31:09,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:31:09,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:31:09,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... [2020-10-13 12:31:09,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:31:09,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:31:09,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:31:09,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:31:09,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:31:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:31:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:31:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:31:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:31:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:31:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:31:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:31:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:31:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:31:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:31:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:31:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:31:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:31:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:31:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:31:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:31:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:31:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:31:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:31:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:31:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:31:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:31:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:31:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:31:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:31:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:31:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:31:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:31:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:31:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:31:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:31:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:31:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:31:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:31:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:31:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:31:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:31:10,328 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:31:10,328 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:31:10,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:10 BoogieIcfgContainer [2020-10-13 12:31:10,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:31:10,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:31:10,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:31:10,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:31:10,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:08" (1/3) ... [2020-10-13 12:31:10,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbdd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:10, skipping insertion in model container [2020-10-13 12:31:10,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:09" (2/3) ... [2020-10-13 12:31:10,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbdd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:10, skipping insertion in model container [2020-10-13 12:31:10,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:10" (3/3) ... [2020-10-13 12:31:10,341 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-10-13 12:31:10,351 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:31:10,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:31:10,373 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:31:10,399 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:31:10,399 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:31:10,399 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:31:10,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:31:10,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:31:10,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:31:10,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:31:10,400 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:31:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-10-13 12:31:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:31:10,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:10,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:10,433 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:10,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:10,439 INFO L82 PathProgramCache]: Analyzing trace with hash -697118378, now seen corresponding path program 1 times [2020-10-13 12:31:10,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:10,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496054460] [2020-10-13 12:31:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:10,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:12,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:14,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:14,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:31:14,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4128 [2020-10-13 12:31:14,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:31:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:31:15,163 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 12:31:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:15,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:15,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:15,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:31:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:15,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:15,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:31:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:15,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:15,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:15,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:15,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:15,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:15,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:15,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496054460] [2020-10-13 12:31:15,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:15,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:31:15,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173670597] [2020-10-13 12:31:15,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:31:15,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:15,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:31:15,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:15,295 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-10-13 12:31:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:16,299 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-10-13 12:31:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:31:16,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:31:16,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:16,317 INFO L225 Difference]: With dead ends: 247 [2020-10-13 12:31:16,318 INFO L226 Difference]: Without dead ends: 134 [2020-10-13 12:31:16,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:16,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-13 12:31:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-10-13 12:31:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-13 12:31:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-10-13 12:31:16,428 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-10-13 12:31:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:16,429 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-10-13 12:31:16,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:31:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-10-13 12:31:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:31:16,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:16,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:16,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:31:16,436 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:16,441 INFO L82 PathProgramCache]: Analyzing trace with hash -133554589, now seen corresponding path program 1 times [2020-10-13 12:31:16,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:16,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630135749] [2020-10-13 12:31:16,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:16,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:16,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:17,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:20,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:31:20,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:20,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4303 [2020-10-13 12:31:20,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:31:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:31:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:21,063 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:21,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:31:21,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-10-13 12:31:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:21,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:21,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:21,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:21,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:21,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:21,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:21,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:21,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:31:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:21,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:31:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:21,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:31:21,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:21,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630135749] [2020-10-13 12:31:21,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:21,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:31:21,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547722955] [2020-10-13 12:31:21,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:31:21,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:21,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:31:21,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:31:21,237 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-10-13 12:31:21,663 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:31:22,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:22,392 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-10-13 12:31:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:31:22,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:31:22,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:22,395 INFO L225 Difference]: With dead ends: 180 [2020-10-13 12:31:22,395 INFO L226 Difference]: Without dead ends: 118 [2020-10-13 12:31:22,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:31:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-13 12:31:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-10-13 12:31:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 12:31:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-10-13 12:31:22,433 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-10-13 12:31:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:22,434 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-10-13 12:31:22,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:31:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-10-13 12:31:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:31:22,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:22,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:31:22,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:31:22,436 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:22,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:22,437 INFO L82 PathProgramCache]: Analyzing trace with hash 70814948, now seen corresponding path program 1 times [2020-10-13 12:31:22,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:22,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670027726] [2020-10-13 12:31:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:22,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:22,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:22,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:22,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:31:25,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:31:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2762 [2020-10-13 12:31:25,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:31:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:31:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:31:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,480 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:25,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 12:31:25,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:25,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:25,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:31:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:31:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:25,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:31:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:31:25,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670027726] [2020-10-13 12:31:25,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:25,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:31:25,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260035976] [2020-10-13 12:31:25,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:31:25,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:25,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:31:25,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:31:25,613 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2020-10-13 12:31:25,982 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:31:26,771 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:31:27,039 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:27,286 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:27,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:27,390 INFO L93 Difference]: Finished difference Result 157 states and 193 transitions. [2020-10-13 12:31:27,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:31:27,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:31:27,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:27,397 INFO L225 Difference]: With dead ends: 157 [2020-10-13 12:31:27,397 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:31:27,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:31:27,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:31:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:31:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:31:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:31:27,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:31:27,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:27,403 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:31:27,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:31:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:31:27,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:31:27,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:31:27,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:31:28,345 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:28,489 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:28,633 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:28,839 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:28,988 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:29,134 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:29,299 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:29,444 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:29,574 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:29,701 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:29,851 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:29,994 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:30,133 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:30,282 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:30,422 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:30,608 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:30,612 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-10-13 12:31:30,613 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-10-13 12:31:30,614 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-10-13 12:31:30,615 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-10-13 12:31:30,616 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-10-13 12:31:30,616 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-10-13 12:31:30,616 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-10-13 12:31:30,616 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-10-13 12:31:30,616 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,616 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-10-13 12:31:30,616 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,617 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,617 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-10-13 12:31:30,617 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-10-13 12:31:30,617 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-10-13 12:31:30,617 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 12:31:30,617 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,618 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,618 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,618 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 12:31:30,618 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-13 12:31:30,618 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:30,618 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-13 12:31:30,618 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-13 12:31:30,619 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2020-10-13 12:31:30,620 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2020-10-13 12:31:30,621 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2020-10-13 12:31:30,621 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2020-10-13 12:31:30,621 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-10-13 12:31:30,621 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2020-10-13 12:31:30,621 INFO L271 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: true [2020-10-13 12:31:30,621 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2020-10-13 12:31:30,621 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 649 684) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-10-13 12:31:30,622 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-10-13 12:31:30,623 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-10-13 12:31:30,624 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 629 639) no Hoare annotation was computed. [2020-10-13 12:31:30,625 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2020-10-13 12:31:30,626 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2020-10-13 12:31:30,626 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2020-10-13 12:31:30,626 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:30,626 INFO L268 CegarLoopResult]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2020-10-13 12:31:30,626 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:30,626 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2020-10-13 12:31:30,626 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:30,627 INFO L268 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-10-13 12:31:30,627 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:30,627 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:30,627 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-10-13 12:31:30,627 INFO L268 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2020-10-13 12:31:30,627 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2020-10-13 12:31:30,627 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2020-10-13 12:31:30,628 INFO L264 CegarLoopResult]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:30,628 INFO L268 CegarLoopResult]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2020-10-13 12:31:30,628 INFO L264 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:30,628 INFO L268 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2020-10-13 12:31:30,628 INFO L264 CegarLoopResult]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:30,628 INFO L268 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2020-10-13 12:31:30,628 INFO L268 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2020-10-13 12:31:30,629 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:30,629 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-10-13 12:31:30,629 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2020-10-13 12:31:30,629 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:30,629 INFO L264 CegarLoopResult]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:30,629 INFO L268 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-10-13 12:31:30,629 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-10-13 12:31:30,630 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2020-10-13 12:31:30,631 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 753 775) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-10-13 12:31:30,632 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-10-13 12:31:30,633 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-10-13 12:31:30,634 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:31:30,634 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:31:30,634 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:31:30,634 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,634 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:31:30,634 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 613 620) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 776 784) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,635 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:31:30,636 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2020-10-13 12:31:30,636 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2020-10-13 12:31:30,636 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:30,637 INFO L264 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:30,637 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:30,637 INFO L268 CegarLoopResult]: For program point L560(lines 559 578) no Hoare annotation was computed. [2020-10-13 12:31:30,637 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:30,637 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2020-10-13 12:31:30,637 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2020-10-13 12:31:30,637 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 12:31:30,638 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-10-13 12:31:30,638 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-10-13 12:31:30,638 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-10-13 12:31:30,638 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-10-13 12:31:30,638 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-10-13 12:31:30,638 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-10-13 12:31:30,638 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-13 12:31:30,638 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-10-13 12:31:30,639 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-10-13 12:31:30,639 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2020-10-13 12:31:30,639 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2020-10-13 12:31:30,639 INFO L268 CegarLoopResult]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2020-10-13 12:31:30,639 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-10-13 12:31:30,639 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-10-13 12:31:30,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,639 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:31:30,640 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:31:30,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:30,640 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2020-10-13 12:31:30,640 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:31:30,640 INFO L268 CegarLoopResult]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2020-10-13 12:31:30,640 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-10-13 12:31:30,641 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-10-13 12:31:30,641 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-10-13 12:31:30,641 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-10-13 12:31:30,641 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-10-13 12:31:30,641 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:31:30,641 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-10-13 12:31:30,641 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-10-13 12:31:30,641 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-10-13 12:31:30,642 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-10-13 12:31:30,642 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-10-13 12:31:30,642 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-10-13 12:31:30,642 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-10-13 12:31:30,642 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-10-13 12:31:30,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:31:30 BoogieIcfgContainer [2020-10-13 12:31:30,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:31:30,660 INFO L168 Benchmark]: Toolchain (without parser) took 22289.12 ms. Allocated memory was 141.6 MB in the beginning and 613.9 MB in the end (delta: 472.4 MB). Free memory was 103.9 MB in the beginning and 309.9 MB in the end (delta: -206.0 MB). Peak memory consumption was 486.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:30,661 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:31:30,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.04 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 103.7 MB in the beginning and 173.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:30,663 INFO L168 Benchmark]: Boogie Preprocessor took 91.76 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:30,664 INFO L168 Benchmark]: RCFGBuilder took 1179.14 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 194.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:30,665 INFO L168 Benchmark]: TraceAbstraction took 20323.94 ms. Allocated memory was 234.4 MB in the beginning and 613.9 MB in the end (delta: 379.6 MB). Free memory was 194.2 MB in the beginning and 309.9 MB in the end (delta: -115.8 MB). Peak memory consumption was 484.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:30,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.04 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 103.7 MB in the beginning and 173.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.76 ms. Allocated memory is still 204.5 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1179.14 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 194.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20323.94 ms. Allocated memory was 234.4 MB in the beginning and 613.9 MB in the end (delta: 379.6 MB). Free memory was 194.2 MB in the beginning and 309.9 MB in the end (delta: -115.8 MB). Peak memory consumption was 484.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 253 SDtfs, 263 SDslu, 92 SDs, 0 SdLazy, 487 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 139 PreInvPairs, 153 NumberOfFragments, 469 HoareAnnotationTreeSize, 139 FomulaSimplifications, 2268 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 4602 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...