/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 12:00:47,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 12:00:47,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 12:00:47,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 12:00:47,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 12:00:47,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 12:00:47,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 12:00:47,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 12:00:47,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 12:00:47,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 12:00:47,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 12:00:47,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 12:00:47,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 12:00:47,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 12:00:47,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 12:00:47,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 12:00:47,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 12:00:47,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 12:00:47,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 12:00:47,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 12:00:47,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 12:00:47,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 12:00:47,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 12:00:47,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 12:00:47,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 12:00:47,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 12:00:47,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 12:00:47,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 12:00:47,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 12:00:47,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 12:00:47,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 12:00:47,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 12:00:47,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 12:00:47,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 12:00:47,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 12:00:47,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 12:00:47,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 12:00:47,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 12:00:47,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 12:00:47,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 12:00:47,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 12:00:47,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 12:00:47,274 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 12:00:47,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 12:00:47,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 12:00:47,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 12:00:47,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 12:00:47,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 12:00:47,276 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 12:00:47,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 12:00:47,276 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 12:00:47,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 12:00:47,277 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 12:00:47,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 12:00:47,278 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 12:00:47,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 12:00:47,278 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 12:00:47,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 12:00:47,278 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 12:00:47,278 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 12:00:47,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 12:00:47,279 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 12:00:47,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 12:00:47,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 12:00:47,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 12:00:47,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 12:00:47,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 12:00:47,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 12:00:47,280 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 12:00:47,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 12:00:47,281 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 12:00:47,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 12:00:47,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 12:00:47,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 12:00:47,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:00:47,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 12:00:47,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 12:00:47,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 12:00:47,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 12:00:47,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 12:00:47,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 12:00:47,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 12:00:47,573 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 12:00:47,573 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 12:00:47,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2023-04-01 12:00:48,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 12:00:49,076 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 12:00:49,082 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2023-04-01 12:00:49,092 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a79ab34/4b0cfb81b4254972b71571e7dda44616/FLAGd2e3bce8e [2023-04-01 12:00:49,105 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7a79ab34/4b0cfb81b4254972b71571e7dda44616 [2023-04-01 12:00:49,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 12:00:49,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 12:00:49,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 12:00:49,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 12:00:49,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 12:00:49,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59da674c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49, skipping insertion in model container [2023-04-01 12:00:49,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 12:00:49,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 12:00:49,370 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2023-04-01 12:00:49,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:00:49,531 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 12:00:49,550 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2023-04-01 12:00:49,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:00:49,641 INFO L208 MainTranslator]: Completed translation [2023-04-01 12:00:49,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49 WrapperNode [2023-04-01 12:00:49,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 12:00:49,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 12:00:49,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 12:00:49,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 12:00:49,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,730 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 12:00:49,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 12:00:49,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 12:00:49,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 12:00:49,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (1/1) ... [2023-04-01 12:00:49,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:00:49,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:00:49,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 12:00:49,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 12:00:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 12:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 12:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 12:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 12:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-01 12:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 12:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 12:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 12:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 12:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 12:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 12:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 12:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 12:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 12:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 12:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 12:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 12:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 12:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 12:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 12:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 12:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-01 12:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 12:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 12:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 12:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 12:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 12:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 12:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 12:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 12:00:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 12:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 12:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 12:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 12:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-01 12:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 12:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 12:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 12:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 12:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 12:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 12:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 12:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 12:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 12:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 12:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 12:00:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 12:00:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 12:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 12:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 12:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 12:00:49,991 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 12:00:49,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 12:00:50,624 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 12:00:50,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 12:00:50,777 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 12:00:50,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:00:50 BoogieIcfgContainer [2023-04-01 12:00:50,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 12:00:50,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 12:00:50,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 12:00:50,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 12:00:50,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:00:49" (1/3) ... [2023-04-01 12:00:50,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb59a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:00:50, skipping insertion in model container [2023-04-01 12:00:50,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:00:49" (2/3) ... [2023-04-01 12:00:50,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb59a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:00:50, skipping insertion in model container [2023-04-01 12:00:50,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:00:50" (3/3) ... [2023-04-01 12:00:50,788 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2023-04-01 12:00:50,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 12:00:50,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 12:00:50,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 12:00:50,871 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1eaa4455, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 12:00:50,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 12:00:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 29 states have call predecessors, (49), 29 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2023-04-01 12:00:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-01 12:00:50,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:50,883 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:00:50,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:50,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:50,895 INFO L85 PathProgramCache]: Analyzing trace with hash 847236028, now seen corresponding path program 1 times [2023-04-01 12:00:50,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:50,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225986740] [2023-04-01 12:00:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:00:51,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:51,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225986740] [2023-04-01 12:00:51,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225986740] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:51,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:00:51,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 12:00:51,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152958780] [2023-04-01 12:00:51,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:51,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 12:00:51,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:51,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 12:00:51,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:00:51,185 INFO L87 Difference]: Start difference. First operand has 151 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 85 states have internal predecessors, (90), 49 states have call successors, (49), 29 states have call predecessors, (49), 29 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 12:00:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:51,285 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2023-04-01 12:00:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 12:00:51,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-01 12:00:51,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:51,299 INFO L225 Difference]: With dead ends: 235 [2023-04-01 12:00:51,299 INFO L226 Difference]: Without dead ends: 118 [2023-04-01 12:00:51,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:00:51,310 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:51,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:00:51,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-04-01 12:00:51,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-04-01 12:00:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 73 states have internal predecessors, (76), 34 states have call successors, (34), 27 states have call predecessors, (34), 22 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-01 12:00:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2023-04-01 12:00:51,379 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 42 [2023-04-01 12:00:51,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:51,380 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2023-04-01 12:00:51,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 12:00:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2023-04-01 12:00:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 12:00:51,386 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:51,386 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:00:51,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 12:00:51,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:51,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:51,388 INFO L85 PathProgramCache]: Analyzing trace with hash -964201754, now seen corresponding path program 1 times [2023-04-01 12:00:51,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:51,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877472303] [2023-04-01 12:00:51,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:51,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:00:51,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:51,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877472303] [2023-04-01 12:00:51,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877472303] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:51,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:00:51,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:00:51,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576168384] [2023-04-01 12:00:51,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:51,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:00:51,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:00:51,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:00:51,537 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 12:00:51,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:51,575 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2023-04-01 12:00:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:00:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-01 12:00:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:51,578 INFO L225 Difference]: With dead ends: 186 [2023-04-01 12:00:51,578 INFO L226 Difference]: Without dead ends: 110 [2023-04-01 12:00:51,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:00:51,580 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:51,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 212 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:00:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-04-01 12:00:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-04-01 12:00:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 56 states have (on average 1.25) internal successors, (70), 68 states have internal predecessors, (70), 31 states have call successors, (31), 26 states have call predecessors, (31), 22 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-01 12:00:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2023-04-01 12:00:51,590 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 43 [2023-04-01 12:00:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:51,591 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2023-04-01 12:00:51,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-01 12:00:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2023-04-01 12:00:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 12:00:51,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:51,593 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:00:51,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 12:00:51,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:51,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1590544157, now seen corresponding path program 1 times [2023-04-01 12:00:51,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:51,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585119581] [2023-04-01 12:00:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:51,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:00:51,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:51,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585119581] [2023-04-01 12:00:51,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585119581] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:51,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:00:51,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 12:00:51,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633186495] [2023-04-01 12:00:51,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:51,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 12:00:51,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:51,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 12:00:51,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 12:00:51,840 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 12:00:52,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:52,241 INFO L93 Difference]: Finished difference Result 330 states and 397 transitions. [2023-04-01 12:00:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 12:00:52,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-04-01 12:00:52,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:52,253 INFO L225 Difference]: With dead ends: 330 [2023-04-01 12:00:52,254 INFO L226 Difference]: Without dead ends: 242 [2023-04-01 12:00:52,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 12:00:52,261 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 265 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:52,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 492 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 12:00:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-04-01 12:00:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2023-04-01 12:00:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 125 states have (on average 1.28) internal successors, (160), 149 states have internal predecessors, (160), 62 states have call successors, (62), 52 states have call predecessors, (62), 46 states have return successors, (59), 46 states have call predecessors, (59), 58 states have call successors, (59) [2023-04-01 12:00:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2023-04-01 12:00:52,328 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 46 [2023-04-01 12:00:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:52,328 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2023-04-01 12:00:52,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 12:00:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2023-04-01 12:00:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 12:00:52,337 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:52,338 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:00:52,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 12:00:52,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:52,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1604206063, now seen corresponding path program 1 times [2023-04-01 12:00:52,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:52,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914157834] [2023-04-01 12:00:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:52,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:00:52,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:52,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914157834] [2023-04-01 12:00:52,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914157834] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:52,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:00:52,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 12:00:52,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788957665] [2023-04-01 12:00:52,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:52,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 12:00:52,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:52,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 12:00:52,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 12:00:52,522 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:00:52,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:52,718 INFO L93 Difference]: Finished difference Result 554 states and 694 transitions. [2023-04-01 12:00:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 12:00:52,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2023-04-01 12:00:52,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:52,723 INFO L225 Difference]: With dead ends: 554 [2023-04-01 12:00:52,723 INFO L226 Difference]: Without dead ends: 342 [2023-04-01 12:00:52,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 12:00:52,726 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 96 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:52,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 454 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:00:52,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-04-01 12:00:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 328. [2023-04-01 12:00:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 185 states have (on average 1.227027027027027) internal successors, (227), 205 states have internal predecessors, (227), 76 states have call successors, (76), 70 states have call predecessors, (76), 66 states have return successors, (88), 65 states have call predecessors, (88), 72 states have call successors, (88) [2023-04-01 12:00:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 391 transitions. [2023-04-01 12:00:52,770 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 391 transitions. Word has length 51 [2023-04-01 12:00:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:52,771 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 391 transitions. [2023-04-01 12:00:52,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:00:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 391 transitions. [2023-04-01 12:00:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-04-01 12:00:52,773 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:52,773 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:00:52,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 12:00:52,774 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:52,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash -720099432, now seen corresponding path program 1 times [2023-04-01 12:00:52,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:52,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538622318] [2023-04-01 12:00:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:00:52,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:52,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538622318] [2023-04-01 12:00:52,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538622318] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:52,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:00:52,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-01 12:00:52,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140310475] [2023-04-01 12:00:52,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:52,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-01 12:00:52,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:52,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-01 12:00:52,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-04-01 12:00:52,989 INFO L87 Difference]: Start difference. First operand 328 states and 391 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-01 12:00:53,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:53,338 INFO L93 Difference]: Finished difference Result 903 states and 1135 transitions. [2023-04-01 12:00:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 12:00:53,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) Word has length 81 [2023-04-01 12:00:53,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:53,344 INFO L225 Difference]: With dead ends: 903 [2023-04-01 12:00:53,344 INFO L226 Difference]: Without dead ends: 597 [2023-04-01 12:00:53,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-01 12:00:53,347 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 107 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:53,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 780 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:00:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-04-01 12:00:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 577. [2023-04-01 12:00:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 334 states have (on average 1.2245508982035929) internal successors, (409), 364 states have internal predecessors, (409), 131 states have call successors, (131), 119 states have call predecessors, (131), 111 states have return successors, (163), 113 states have call predecessors, (163), 127 states have call successors, (163) [2023-04-01 12:00:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 703 transitions. [2023-04-01 12:00:53,421 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 703 transitions. Word has length 81 [2023-04-01 12:00:53,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:53,421 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 703 transitions. [2023-04-01 12:00:53,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-01 12:00:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 703 transitions. [2023-04-01 12:00:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-01 12:00:53,427 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:00:53,427 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:00:53,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 12:00:53,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:00:53,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:00:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 360676585, now seen corresponding path program 1 times [2023-04-01 12:00:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:00:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738036687] [2023-04-01 12:00:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:00:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-01 12:00:53,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:00:53,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738036687] [2023-04-01 12:00:53,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738036687] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 12:00:53,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953948077] [2023-04-01 12:00:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:00:53,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 12:00:53,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:00:53,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 12:00:53,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 12:00:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:00:54,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-01 12:00:54,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 12:00:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-01 12:00:54,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 12:00:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953948077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:00:54,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 12:00:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-04-01 12:00:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374369931] [2023-04-01 12:00:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:00:54,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 12:00:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:00:54,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 12:00:54,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-01 12:00:54,364 INFO L87 Difference]: Start difference. First operand 577 states and 703 transitions. Second operand has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-01 12:00:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:00:54,757 INFO L93 Difference]: Finished difference Result 1597 states and 1999 transitions. [2023-04-01 12:00:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 12:00:54,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) Word has length 133 [2023-04-01 12:00:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:00:54,761 INFO L225 Difference]: With dead ends: 1597 [2023-04-01 12:00:54,767 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 12:00:54,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-04-01 12:00:54,775 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 100 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:00:54,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 695 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:00:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 12:00:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 12:00:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 12:00:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 12:00:54,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2023-04-01 12:00:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:00:54,778 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 12:00:54,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 6 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2023-04-01 12:00:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 12:00:54,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 12:00:54,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 12:00:54,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 12:00:54,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 12:00:54,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 12:00:56,189 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 12:00:56,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 12:00:56,190 INFO L899 garLoopResultBuilder]: For program point L608(lines 585 609) no Hoare annotation was computed. [2023-04-01 12:00:56,190 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 596) no Hoare annotation was computed. [2023-04-01 12:00:56,190 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 561 616) no Hoare annotation was computed. [2023-04-01 12:00:56,190 INFO L899 garLoopResultBuilder]: For program point L586-2(lines 586 607) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 561 616) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point L643-2(lines 643 668) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point L669(lines 642 670) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point L662(line 662) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 617 676) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point L662-1(line 662) no Hoare annotation was computed. [2023-04-01 12:00:56,191 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 617 676) no Hoare annotation was computed. [2023-04-01 12:00:56,193 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 617 676) no Hoare annotation was computed. [2023-04-01 12:00:56,193 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 653) no Hoare annotation was computed. [2023-04-01 12:00:56,193 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 116 124) no Hoare annotation was computed. [2023-04-01 12:00:56,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 116 124) the Hoare annotation is: true [2023-04-01 12:00:56,194 INFO L895 garLoopResultBuilder]: At program point L959(line 959) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-01 12:00:56,194 INFO L895 garLoopResultBuilder]: At program point L959-1(line 959) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-01 12:00:56,195 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 964) no Hoare annotation was computed. [2023-04-01 12:00:56,195 INFO L899 garLoopResultBuilder]: For program point L957-1(lines 957 964) no Hoare annotation was computed. [2023-04-01 12:00:56,195 INFO L899 garLoopResultBuilder]: For program point L955(line 955) no Hoare annotation was computed. [2023-04-01 12:00:56,196 INFO L895 garLoopResultBuilder]: At program point L954(line 954) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,196 INFO L895 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,196 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 947 969) no Hoare annotation was computed. [2023-04-01 12:00:56,196 INFO L895 garLoopResultBuilder]: At program point L953-1(line 953) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,196 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 947 969) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,196 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 906 929) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 906 929) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L923(line 923) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L921(line 921) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L920(line 920) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L918(line 918) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L914(line 914) no Hoare annotation was computed. [2023-04-01 12:00:56,197 INFO L899 garLoopResultBuilder]: For program point L913(line 913) no Hoare annotation was computed. [2023-04-01 12:00:56,198 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2023-04-01 12:00:56,198 INFO L899 garLoopResultBuilder]: For program point L911(line 911) no Hoare annotation was computed. [2023-04-01 12:00:56,198 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 906 929) no Hoare annotation was computed. [2023-04-01 12:00:56,198 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 425 439) no Hoare annotation was computed. [2023-04-01 12:00:56,199 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0)))) [2023-04-01 12:00:56,200 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2023-04-01 12:00:56,200 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 425 439) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-01 12:00:56,200 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 102 108) no Hoare annotation was computed. [2023-04-01 12:00:56,200 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 102 108) the Hoare annotation is: true [2023-04-01 12:00:56,200 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 828 873) no Hoare annotation was computed. [2023-04-01 12:00:56,200 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 828 873) no Hoare annotation was computed. [2023-04-01 12:00:56,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 224) the Hoare annotation is: true [2023-04-01 12:00:56,200 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 211 224) no Hoare annotation was computed. [2023-04-01 12:00:56,202 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,202 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2023-04-01 12:00:56,202 INFO L899 garLoopResultBuilder]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2023-04-01 12:00:56,202 INFO L895 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (and (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 12:00:56,203 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 12:00:56,203 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 308) no Hoare annotation was computed. [2023-04-01 12:00:56,203 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,203 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 292 316) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,203 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-04-01 12:00:56,203 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 313) no Hoare annotation was computed. [2023-04-01 12:00:56,203 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 258 264) no Hoare annotation was computed. [2023-04-01 12:00:56,203 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 258 264) the Hoare annotation is: true [2023-04-01 12:00:56,203 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 442 507) no Hoare annotation was computed. [2023-04-01 12:00:56,203 INFO L895 garLoopResultBuilder]: At program point L500(lines 451 501) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,203 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 12:00:56,204 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,204 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2023-04-01 12:00:56,204 INFO L895 garLoopResultBuilder]: At program point L488-1(lines 482 495) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 12:00:56,204 INFO L899 garLoopResultBuilder]: For program point L453(lines 452 499) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 495) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L895 garLoopResultBuilder]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 478) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L895 garLoopResultBuilder]: At program point L497(lines 452 499) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 12:00:56,205 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 442 507) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 179 201) no Hoare annotation was computed. [2023-04-01 12:00:56,205 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 179 201) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 338) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,206 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 341) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 202 210) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 202 210) no Hoare annotation was computed. [2023-04-01 12:00:56,206 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2023-04-01 12:00:56,207 INFO L902 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2023-04-01 12:00:56,207 INFO L899 garLoopResultBuilder]: For program point L413-1(line 413) no Hoare annotation was computed. [2023-04-01 12:00:56,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 406 424) the Hoare annotation is: true [2023-04-01 12:00:56,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 178) the Hoare annotation is: true [2023-04-01 12:00:56,207 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 170 178) no Hoare annotation was computed. [2023-04-01 12:00:56,207 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-04-01 12:00:56,208 INFO L895 garLoopResultBuilder]: At program point L245(lines 245 251) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= ~methaneLevelCritical~0 0) (not .cse2)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))) [2023-04-01 12:00:56,208 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-01 12:00:56,208 INFO L899 garLoopResultBuilder]: For program point L238(lines 237 256) no Hoare annotation was computed. [2023-04-01 12:00:56,208 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 234 257) no Hoare annotation was computed. [2023-04-01 12:00:56,208 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 234 257) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-01 12:00:56,208 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 234 257) no Hoare annotation was computed. [2023-04-01 12:00:56,208 INFO L899 garLoopResultBuilder]: For program point L897(line 897) no Hoare annotation was computed. [2023-04-01 12:00:56,208 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 876 905) no Hoare annotation was computed. [2023-04-01 12:00:56,209 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point L890-1(lines 890 894) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point L886-2(lines 886 900) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 876 905) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point L901(lines 876 905) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 134 145) no Hoare annotation was computed. [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 145) the Hoare annotation is: true [2023-04-01 12:00:56,210 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 146 157) no Hoare annotation was computed. [2023-04-01 12:00:56,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 157) the Hoare annotation is: true [2023-04-01 12:00:56,211 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 79 86) the Hoare annotation is: true [2023-04-01 12:00:56,211 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2023-04-01 12:00:56,211 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 79 86) no Hoare annotation was computed. [2023-04-01 12:00:56,211 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 109 115) the Hoare annotation is: true [2023-04-01 12:00:56,211 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-01 12:00:56,211 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,211 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 266 290) no Hoare annotation was computed. [2023-04-01 12:00:56,211 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-01 12:00:56,211 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-01 12:00:56,211 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 282) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 287) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 266 290) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 266 290) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 369) the Hoare annotation is: true [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point L400(line 400) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point L400-1(line 400) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 370 405) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2023-04-01 12:00:56,212 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 515 560) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 515 560) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 937 946) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 946) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 937 946) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 350 360) the Hoare annotation is: true [2023-04-01 12:00:56,213 INFO L902 garLoopResultBuilder]: At program point L355(line 355) the Hoare annotation is: true [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point L355-1(line 355) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 342 349) the Hoare annotation is: true [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 782 827) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 782 827) no Hoare annotation was computed. [2023-04-01 12:00:56,213 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 317 324) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 324) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 92 101) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 92 101) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L729(lines 728 748) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 766) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 679 781) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L744(line 744) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L744-1(line 744) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 679 781) no Hoare annotation was computed. [2023-04-01 12:00:56,214 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 748) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 679 781) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L899 garLoopResultBuilder]: For program point L749(lines 727 750) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:00:56,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:00:56,215 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 158 169) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 158 169) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 930 936) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 930 936) the Hoare annotation is: true [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-04-01 12:00:56,216 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-01 12:00:56,216 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2023-04-01 12:00:56,217 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-04-01 12:00:56,217 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 53 77) no Hoare annotation was computed. [2023-04-01 12:00:56,217 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2023-04-01 12:00:56,217 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-04-01 12:00:56,217 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 53 77) no Hoare annotation was computed. [2023-04-01 12:00:56,217 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 53 77) the Hoare annotation is: true [2023-04-01 12:00:56,217 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-01 12:00:56,220 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-01 12:00:56,222 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 12:00:56,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 12:00:56 BoogieIcfgContainer [2023-04-01 12:00:56,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 12:00:56,239 INFO L158 Benchmark]: Toolchain (without parser) took 7129.72ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 229.1MB in the beginning and 155.0MB in the end (delta: 74.1MB). Peak memory consumption was 130.5MB. Max. memory is 8.0GB. [2023-04-01 12:00:56,239 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 12:00:56,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.30ms. Allocated memory is still 275.8MB. Free memory was 228.9MB in the beginning and 210.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 12:00:56,240 INFO L158 Benchmark]: Boogie Preprocessor took 101.78ms. Allocated memory is still 275.8MB. Free memory was 210.3MB in the beginning and 206.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 12:00:56,240 INFO L158 Benchmark]: RCFGBuilder took 1034.43ms. Allocated memory is still 275.8MB. Free memory was 206.9MB in the beginning and 219.2MB in the end (delta: -12.3MB). Peak memory consumption was 40.2MB. Max. memory is 8.0GB. [2023-04-01 12:00:56,240 INFO L158 Benchmark]: TraceAbstraction took 5455.64ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 218.6MB in the beginning and 155.0MB in the end (delta: 63.7MB). Peak memory consumption was 118.7MB. Max. memory is 8.0GB. [2023-04-01 12:00:56,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 532.30ms. Allocated memory is still 275.8MB. Free memory was 228.9MB in the beginning and 210.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 101.78ms. Allocated memory is still 275.8MB. Free memory was 210.3MB in the beginning and 206.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1034.43ms. Allocated memory is still 275.8MB. Free memory was 206.9MB in the beginning and 219.2MB in the end (delta: -12.3MB). Peak memory consumption was 40.2MB. Max. memory is 8.0GB. * TraceAbstraction took 5455.64ms. Allocated memory was 275.8MB in the beginning and 331.4MB in the end (delta: 55.6MB). Free memory was 218.6MB in the beginning and 155.0MB in the end (delta: 63.7MB). Peak memory consumption was 118.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 192 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 579 mSDsluCounter, 2767 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2045 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1353 IncrementalHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 722 mSDtfsCounter, 1353 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=5, InterpolantAutomatonStates: 52, 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, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1201 PreInvPairs, 1310 NumberOfFragments, 755 HoareAnnotationTreeSize, 1201 FomulaSimplifications, 290 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 3982 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 839 SizeOfPredicates, 5 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 84/88 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 12:00:56,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...