/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 00:07:09,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 00:07:09,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 00:07:09,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 00:07:09,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 00:07:09,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 00:07:09,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 00:07:09,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 00:07:09,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 00:07:09,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 00:07:09,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 00:07:09,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 00:07:09,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 00:07:09,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 00:07:09,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 00:07:09,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 00:07:09,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 00:07:09,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 00:07:09,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 00:07:09,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 00:07:09,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 00:07:10,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 00:07:10,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 00:07:10,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 00:07:10,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 00:07:10,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 00:07:10,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 00:07:10,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 00:07:10,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 00:07:10,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 00:07:10,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 00:07:10,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 00:07:10,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 00:07:10,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 00:07:10,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 00:07:10,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 00:07:10,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 00:07:10,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 00:07:10,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 00:07:10,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 00:07:10,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 00:07:10,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 00:07:10,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 00:07:10,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 00:07:10,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 00:07:10,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 00:07:10,065 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 00:07:10,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 00:07:10,066 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 00:07:10,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 00:07:10,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 00:07:10,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 00:07:10,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 00:07:10,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 00:07:10,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 00:07:10,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 00:07:10,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 00:07:10,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 00:07:10,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 00:07:10,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 00:07:10,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 00:07:10,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 00:07:10,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 00:07:10,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 00:07:10,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 00:07:10,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 00:07:10,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 00:07:10,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 00:07:10,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 00:07:10,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 00:07:10,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 00:07:10,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; [2020-08-19 00:07:10,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 00:07:10,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 00:07:10,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 00:07:10,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 00:07:10,430 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 00:07:10,431 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-08-19 00:07:10,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a54fbc560/fa1ec9669ca84923b09c456b601837e9/FLAG27060e509 [2020-08-19 00:07:11,017 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 00:07:11,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-08-19 00:07:11,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a54fbc560/fa1ec9669ca84923b09c456b601837e9/FLAG27060e509 [2020-08-19 00:07:11,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a54fbc560/fa1ec9669ca84923b09c456b601837e9 [2020-08-19 00:07:11,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 00:07:11,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 00:07:11,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 00:07:11,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 00:07:11,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 00:07:11,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:07:11" (1/1) ... [2020-08-19 00:07:11,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:11, skipping insertion in model container [2020-08-19 00:07:11,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:07:11" (1/1) ... [2020-08-19 00:07:11,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 00:07:11,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 00:07:11,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:07:11,869 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 00:07:11,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:07:12,018 INFO L208 MainTranslator]: Completed translation [2020-08-19 00:07:12,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12 WrapperNode [2020-08-19 00:07:12,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 00:07:12,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 00:07:12,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 00:07:12,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 00:07:12,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... [2020-08-19 00:07:12,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 00:07:12,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 00:07:12,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 00:07:12,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 00:07:12,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 00:07:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 00:07:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 00:07:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 00:07:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 00:07:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 00:07:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 00:07:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 00:07:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 00:07:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 00:07:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 00:07:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 00:07:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 00:07:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 00:07:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 00:07:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 00:07:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 00:07:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 00:07:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 00:07:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 00:07:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 00:07:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 00:07:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 00:07:13,220 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 00:07:13,221 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 00:07:13,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:07:13 BoogieIcfgContainer [2020-08-19 00:07:13,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 00:07:13,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 00:07:13,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 00:07:13,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 00:07:13,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 12:07:11" (1/3) ... [2020-08-19 00:07:13,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34127c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:07:13, skipping insertion in model container [2020-08-19 00:07:13,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:07:12" (2/3) ... [2020-08-19 00:07:13,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34127c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:07:13, skipping insertion in model container [2020-08-19 00:07:13,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:07:13" (3/3) ... [2020-08-19 00:07:13,236 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-08-19 00:07:13,247 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 00:07:13,256 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 00:07:13,272 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 00:07:13,298 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 00:07:13,298 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 00:07:13,298 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 00:07:13,299 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 00:07:13,299 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 00:07:13,299 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 00:07:13,299 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 00:07:13,300 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 00:07:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-19 00:07:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-19 00:07:13,331 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:13,332 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] [2020-08-19 00:07:13,333 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times [2020-08-19 00:07:13,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:13,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744017169] [2020-08-19 00:07:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,028 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 00:07:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 00:07:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:14,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744017169] [2020-08-19 00:07:14,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:14,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 00:07:14,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327879869] [2020-08-19 00:07:14,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 00:07:14,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:14,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 00:07:14,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 00:07:14,186 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-08-19 00:07:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:15,312 INFO L93 Difference]: Finished difference Result 246 states and 326 transitions. [2020-08-19 00:07:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-19 00:07:15,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-19 00:07:15,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:15,329 INFO L225 Difference]: With dead ends: 246 [2020-08-19 00:07:15,329 INFO L226 Difference]: Without dead ends: 139 [2020-08-19 00:07:15,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 00:07:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-19 00:07:15,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-08-19 00:07:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-19 00:07:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-08-19 00:07:15,420 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-08-19 00:07:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:15,420 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-08-19 00:07:15,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 00:07:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-08-19 00:07:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 00:07:15,425 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:15,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:15,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 00:07:15,425 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:15,426 INFO L82 PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times [2020-08-19 00:07:15,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:15,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156669946] [2020-08-19 00:07:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,805 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 00:07:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 00:07:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:15,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156669946] [2020-08-19 00:07:15,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:15,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 00:07:15,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288056466] [2020-08-19 00:07:15,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 00:07:15,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:15,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 00:07:15,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 00:07:15,860 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2020-08-19 00:07:16,361 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 00:07:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:17,070 INFO L93 Difference]: Finished difference Result 187 states and 233 transitions. [2020-08-19 00:07:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 00:07:17,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-19 00:07:17,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:17,077 INFO L225 Difference]: With dead ends: 187 [2020-08-19 00:07:17,078 INFO L226 Difference]: Without dead ends: 129 [2020-08-19 00:07:17,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 00:07:17,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-19 00:07:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-19 00:07:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 00:07:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-19 00:07:17,135 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-08-19 00:07:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:17,136 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-19 00:07:17,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 00:07:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-19 00:07:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-19 00:07:17,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:17,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:17,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 00:07:17,148 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times [2020-08-19 00:07:17,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:17,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597281477] [2020-08-19 00:07:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,547 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 00:07:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-19 00:07:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:17,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597281477] [2020-08-19 00:07:17,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:17,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 00:07:17,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777280422] [2020-08-19 00:07:17,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 00:07:17,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:17,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 00:07:17,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 00:07:17,669 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 9 states. [2020-08-19 00:07:18,067 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:18,406 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:18,658 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:18,905 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:19,951 INFO L93 Difference]: Finished difference Result 200 states and 252 transitions. [2020-08-19 00:07:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 00:07:19,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-19 00:07:19,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:19,955 INFO L225 Difference]: With dead ends: 200 [2020-08-19 00:07:19,955 INFO L226 Difference]: Without dead ends: 129 [2020-08-19 00:07:19,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-19 00:07:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-19 00:07:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-19 00:07:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 00:07:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-08-19 00:07:19,991 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2020-08-19 00:07:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:19,992 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-08-19 00:07:19,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 00:07:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-08-19 00:07:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-19 00:07:19,993 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:19,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:19,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 00:07:19,994 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:19,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times [2020-08-19 00:07:19,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:19,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37302657] [2020-08-19 00:07:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,324 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:20,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 00:07:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 00:07:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-19 00:07:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-19 00:07:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:20,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37302657] [2020-08-19 00:07:20,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:20,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 00:07:20,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610943942] [2020-08-19 00:07:20,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 00:07:20,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:20,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 00:07:20,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 00:07:20,417 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 9 states. [2020-08-19 00:07:20,783 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:21,699 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:22,009 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:22,569 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:22,807 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:23,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:23,390 INFO L93 Difference]: Finished difference Result 309 states and 415 transitions. [2020-08-19 00:07:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 00:07:23,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-19 00:07:23,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:23,398 INFO L225 Difference]: With dead ends: 309 [2020-08-19 00:07:23,400 INFO L226 Difference]: Without dead ends: 238 [2020-08-19 00:07:23,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-19 00:07:23,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-08-19 00:07:23,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 160. [2020-08-19 00:07:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-08-19 00:07:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2020-08-19 00:07:23,500 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2020-08-19 00:07:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:23,500 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2020-08-19 00:07:23,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 00:07:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2020-08-19 00:07:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-19 00:07:23,502 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:07:23,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:07:23,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 00:07:23,502 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:07:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:07:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash 419141833, now seen corresponding path program 1 times [2020-08-19 00:07:23,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:07:23,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441961600] [2020-08-19 00:07:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:07:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,781 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:23,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 00:07:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 00:07:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 00:07:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 00:07:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 00:07:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 00:07:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-19 00:07:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 00:07:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 00:07:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-19 00:07:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-19 00:07:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 00:07:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 00:07:23,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441961600] [2020-08-19 00:07:23,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 00:07:23,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-19 00:07:23,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653708421] [2020-08-19 00:07:23,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 00:07:23,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 00:07:23,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 00:07:23,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-19 00:07:23,901 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 10 states. [2020-08-19 00:07:24,352 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 00:07:25,259 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:25,520 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:25,798 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 00:07:26,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 00:07:26,058 INFO L93 Difference]: Finished difference Result 299 states and 380 transitions. [2020-08-19 00:07:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 00:07:26,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-08-19 00:07:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 00:07:26,060 INFO L225 Difference]: With dead ends: 299 [2020-08-19 00:07:26,060 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 00:07:26,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-19 00:07:26,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 00:07:26,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 00:07:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 00:07:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 00:07:26,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-19 00:07:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 00:07:26,070 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 00:07:26,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 00:07:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 00:07:26,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 00:07:26,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 00:07:26,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 00:07:26,304 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-19 00:07:26,754 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-08-19 00:07:27,487 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-08-19 00:07:28,555 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-19 00:07:28,728 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:29,067 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-19 00:07:29,215 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-08-19 00:07:29,406 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-19 00:07:29,619 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 00:07:29,801 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 00:07:30,122 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-19 00:07:30,334 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 00:07:30,666 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-19 00:07:31,026 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-19 00:07:31,232 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-08-19 00:07:31,569 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-19 00:07:31,746 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:32,102 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-19 00:07:32,330 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:32,496 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-19 00:07:32,681 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:32,851 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-19 00:07:33,025 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:33,190 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-19 00:07:33,370 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 00:07:33,691 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-19 00:07:33,837 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-08-19 00:07:34,171 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-19 00:07:34,489 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-19 00:07:34,493 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L503-1(lines 503 507) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 472 527) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 518) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L519(lines 496 520) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 472 527) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 472 527) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-19 00:07:34,494 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 528 587) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 564) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 528 587) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 528 587) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 579) no Hoare annotation was computed. [2020-08-19 00:07:34,495 INFO L268 CegarLoopResult]: For program point L580(lines 553 581) no Hoare annotation was computed. [2020-08-19 00:07:34,496 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-19 00:07:34,496 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-19 00:07:34,496 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-19 00:07:34,496 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-19 00:07:34,496 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-19 00:07:34,496 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 868 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,496 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 868 890) no Hoare annotation was computed. [2020-08-19 00:07:34,497 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-19 00:07:34,497 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-19 00:07:34,497 INFO L268 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-08-19 00:07:34,497 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 885) no Hoare annotation was computed. [2020-08-19 00:07:34,497 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 868 890) no Hoare annotation was computed. [2020-08-19 00:07:34,497 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-08-19 00:07:34,498 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,498 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,498 INFO L264 CegarLoopResult]: At program point L874-1(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,498 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-08-19 00:07:34,498 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-08-19 00:07:34,498 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 826 849) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 826 849) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 826 849) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-19 00:07:34,499 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 245 253) no Hoare annotation was computed. [2020-08-19 00:07:34,500 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 245 253) the Hoare annotation is: true [2020-08-19 00:07:34,500 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 245 253) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 254 289) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 254 289) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 269) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 254 289) no Hoare annotation was computed. [2020-08-19 00:07:34,501 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 426 471) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 426 471) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 426 471) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 739 784) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point L759(lines 759 766) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point L753(lines 753 773) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point L753-1(lines 753 773) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 739 784) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 739 784) no Hoare annotation was computed. [2020-08-19 00:07:34,502 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 857 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,503 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 857 867) no Hoare annotation was computed. [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 857 867) no Hoare annotation was computed. [2020-08-19 00:07:34,503 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 234 244) the Hoare annotation is: true [2020-08-19 00:07:34,503 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 234 244) no Hoare annotation was computed. [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 234 244) no Hoare annotation was computed. [2020-08-19 00:07:34,503 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 226 233) the Hoare annotation is: true [2020-08-19 00:07:34,503 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 226 233) no Hoare annotation was computed. [2020-08-19 00:07:34,504 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 226 233) no Hoare annotation was computed. [2020-08-19 00:07:34,504 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 193 217) no Hoare annotation was computed. [2020-08-19 00:07:34,504 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,504 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 193 217) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,504 INFO L268 CegarLoopResult]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2020-08-19 00:07:34,504 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,505 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,505 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-08-19 00:07:34,505 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,505 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-08-19 00:07:34,505 INFO L268 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-08-19 00:07:34,505 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 185 191) no Hoare annotation was computed. [2020-08-19 00:07:34,505 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 185 191) the Hoare annotation is: true [2020-08-19 00:07:34,506 INFO L264 CegarLoopResult]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,506 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-08-19 00:07:34,506 INFO L268 CegarLoopResult]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2020-08-19 00:07:34,506 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,506 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-08-19 00:07:34,506 INFO L264 CegarLoopResult]: At program point L131-2(lines 123 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,506 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-08-19 00:07:34,507 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,507 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-08-19 00:07:34,507 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,507 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-08-19 00:07:34,507 INFO L268 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-08-19 00:07:34,507 INFO L264 CegarLoopResult]: At program point L138(lines 93 140) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,507 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 693 738) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 693 738) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 693 738) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point L713(lines 713 720) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point L707(lines 707 727) no Hoare annotation was computed. [2020-08-19 00:07:34,508 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 727) no Hoare annotation was computed. [2020-08-19 00:07:34,509 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 00:07:34,509 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-08-19 00:07:34,509 INFO L268 CegarLoopResult]: For program point L402(lines 402 412) no Hoare annotation was computed. [2020-08-19 00:07:34,509 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 390 418) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:34,509 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-19 00:07:34,509 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-08-19 00:07:34,509 INFO L268 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2020-08-19 00:07:34,509 INFO L268 CegarLoopResult]: For program point L398-1(lines 390 418) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 390 418) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 347 369) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 347 369) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 347 369) no Hoare annotation was computed. [2020-08-19 00:07:34,510 INFO L268 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 382 389) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 382 389) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 382 389) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point L640(lines 639 659) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-08-19 00:07:34,511 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 590 692) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L636(lines 636 677) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L678(lines 678 689) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 590 692) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L641(lines 641 645) no Hoare annotation was computed. [2020-08-19 00:07:34,512 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 659) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point L660(lines 638 661) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 590 692) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point L619(lines 619 635) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,513 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 00:07:34,513 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 218 225) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 370 378) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 370 378) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 370 378) no Hoare annotation was computed. [2020-08-19 00:07:34,514 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 326 337) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 00:07:34,515 INFO L268 CegarLoopResult]: For program point L330-1(lines 326 337) no Hoare annotation was computed. [2020-08-19 00:07:34,515 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 326 337) no Hoare annotation was computed. [2020-08-19 00:07:34,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,515 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,515 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,516 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,516 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-08-19 00:07:34,516 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 00:07:34,516 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-08-19 00:07:34,516 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-08-19 00:07:34,516 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-08-19 00:07:34,516 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 796 825) no Hoare annotation was computed. [2020-08-19 00:07:34,517 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 796 825) the Hoare annotation is: true [2020-08-19 00:07:34,517 INFO L271 CegarLoopResult]: At program point L821(lines 796 825) the Hoare annotation is: true [2020-08-19 00:07:34,517 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-19 00:07:34,517 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-08-19 00:07:34,517 INFO L271 CegarLoopResult]: At program point L810-1(lines 810 814) the Hoare annotation is: true [2020-08-19 00:07:34,517 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-19 00:07:34,517 INFO L271 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: true [2020-08-19 00:07:34,517 INFO L271 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: true [2020-08-19 00:07:34,518 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 338 346) the Hoare annotation is: true [2020-08-19 00:07:34,518 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 338 346) no Hoare annotation was computed. [2020-08-19 00:07:34,518 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 338 346) no Hoare annotation was computed. [2020-08-19 00:07:34,518 INFO L268 CegarLoopResult]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2020-08-19 00:07:34,518 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 302 313) the Hoare annotation is: true [2020-08-19 00:07:34,518 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 302 313) no Hoare annotation was computed. [2020-08-19 00:07:34,518 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 850 856) no Hoare annotation was computed. [2020-08-19 00:07:34,518 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 850 856) the Hoare annotation is: true [2020-08-19 00:07:34,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,519 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 00:07:34,519 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 00:07:34,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 00:07:34,519 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2020-08-19 00:07:34,519 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-19 00:07:34,519 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2020-08-19 00:07:34,519 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 314 325) no Hoare annotation was computed. [2020-08-19 00:07:34,520 INFO L268 CegarLoopResult]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2020-08-19 00:07:34,520 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 314 325) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 00:07:34,520 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 786 793) no Hoare annotation was computed. [2020-08-19 00:07:34,520 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-08-19 00:07:34,520 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 786 793) the Hoare annotation is: true [2020-08-19 00:07:34,520 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 786 793) no Hoare annotation was computed. [2020-08-19 00:07:34,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 12:07:34 BoogieIcfgContainer [2020-08-19 00:07:34,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 00:07:34,541 INFO L168 Benchmark]: Toolchain (without parser) took 23166.00 ms. Allocated memory was 148.9 MB in the beginning and 544.7 MB in the end (delta: 395.8 MB). Free memory was 104.2 MB in the beginning and 154.9 MB in the end (delta: -50.7 MB). Peak memory consumption was 384.5 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:34,542 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 00:07:34,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.61 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 104.0 MB in the beginning and 174.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:34,543 INFO L168 Benchmark]: Boogie Preprocessor took 123.78 ms. Allocated memory is still 206.0 MB. Free memory was 174.1 MB in the beginning and 169.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:34,544 INFO L168 Benchmark]: RCFGBuilder took 1083.15 ms. Allocated memory was 206.0 MB in the beginning and 231.7 MB in the end (delta: 25.7 MB). Free memory was 169.8 MB in the beginning and 187.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:34,545 INFO L168 Benchmark]: TraceAbstraction took 21310.54 ms. Allocated memory was 231.7 MB in the beginning and 544.7 MB in the end (delta: 313.0 MB). Free memory was 187.8 MB in the beginning and 154.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 385.3 MB. Max. memory is 7.1 GB. [2020-08-19 00:07:34,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.61 ms. Allocated memory was 148.9 MB in the beginning and 206.0 MB in the end (delta: 57.1 MB). Free memory was 104.0 MB in the beginning and 174.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.78 ms. Allocated memory is still 206.0 MB. Free memory was 174.1 MB in the beginning and 169.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.15 ms. Allocated memory was 206.0 MB in the beginning and 231.7 MB in the end (delta: 25.7 MB). Free memory was 169.8 MB in the beginning and 187.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21310.54 ms. Allocated memory was 231.7 MB in the beginning and 544.7 MB in the end (delta: 313.0 MB). Free memory was 187.8 MB in the beginning and 154.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 385.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: 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: 93]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 437 SDtfs, 852 SDslu, 385 SDs, 0 SdLazy, 1808 SolverSat, 670 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 832 HoareAnnotationTreeSize, 258 FomulaSimplifications, 107822 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 10282 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...