/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 OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:55:31,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:55:31,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:55:31,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:55:31,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:55:31,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:55:31,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:55:31,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:55:31,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:55:31,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:55:31,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:55:31,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:55:31,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:55:31,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:55:31,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:55:31,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:55:31,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:55:31,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:55:31,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:55:31,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:55:31,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:55:31,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:55:31,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:55:31,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:55:31,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:55:31,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:55:31,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:55:31,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:55:31,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:55:31,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:55:31,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:55:31,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:55:31,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:55:31,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:55:31,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:55:31,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:55:31,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:55:31,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:55:31,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:55:31,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:55:31,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:55:31,132 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 05:55:31,165 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:55:31,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:55:31,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:55:31,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:55:31,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:55:31,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:55:31,167 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:55:31,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:55:31,167 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:55:31,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:55:31,168 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:55:31,168 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:55:31,169 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:55:31,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:55:31,169 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:55:31,169 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:55:31,169 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:55:31,169 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:55:31,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:55:31,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:55:31,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:55:31,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:55:31,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:55:31,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:55:31,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:55:31,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:55:31,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:55:31,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:55:31,411 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:55:31,412 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:55:31,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-01 05:55:32,620 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:55:32,820 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:55:32,821 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-01 05:55:32,831 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37fcfdb3/07dd8fd664374d19a1db232f2f48f93a/FLAGeb2b32086 [2023-04-01 05:55:32,843 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37fcfdb3/07dd8fd664374d19a1db232f2f48f93a [2023-04-01 05:55:32,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:55:32,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:55:32,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:55:32,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:55:32,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:55:32,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:55:32" (1/1) ... [2023-04-01 05:55:32,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b351025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:32, skipping insertion in model container [2023-04-01 05:55:32,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:55:32" (1/1) ... [2023-04-01 05:55:32,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:55:32,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:55:33,022 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_spec2_product09.cil.c[1605,1618] [2023-04-01 05:55:33,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:55:33,158 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:55:33,171 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_spec2_product09.cil.c[1605,1618] [2023-04-01 05:55:33,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:55:33,228 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:55:33,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33 WrapperNode [2023-04-01 05:55:33,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:55:33,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:55:33,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:55:33,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:55:33,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:55:33,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:55:33,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:55:33,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:55:33,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (1/1) ... [2023-04-01 05:55:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:55:33,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:55:33,347 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 05:55:33,355 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 05:55:33,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:55:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:55:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:55:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:55:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-01 05:55:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:55:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:55:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:55:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:55:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:55:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:55:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:55:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:55:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:55:33,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:55:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:55:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:55:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:55:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:55:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:55:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:55:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:55:33,609 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:55:33,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:55:34,197 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:55:34,313 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:55:34,313 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:55:34,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:55:34 BoogieIcfgContainer [2023-04-01 05:55:34,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:55:34,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:55:34,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:55:34,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:55:34,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:55:32" (1/3) ... [2023-04-01 05:55:34,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f281db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:55:34, skipping insertion in model container [2023-04-01 05:55:34,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:55:33" (2/3) ... [2023-04-01 05:55:34,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f281db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:55:34, skipping insertion in model container [2023-04-01 05:55:34,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:55:34" (3/3) ... [2023-04-01 05:55:34,324 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2023-04-01 05:55:34,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:55:34,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:55:34,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:55:34,414 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;@6c98daf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:55:34,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:55:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-01 05:55:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 05:55:34,424 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:34,424 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 05:55:34,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:34,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:34,429 INFO L85 PathProgramCache]: Analyzing trace with hash -198467966, now seen corresponding path program 1 times [2023-04-01 05:55:34,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:34,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475147254] [2023-04-01 05:55:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:34,632 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 05:55:34,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:34,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475147254] [2023-04-01 05:55:34,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475147254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:34,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:34,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:55:34,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544118207] [2023-04-01 05:55:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:34,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:55:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:55:34,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:55:34,673 INFO L87 Difference]: Start difference. First operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:55:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:34,715 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2023-04-01 05:55:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:55:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-01 05:55:34,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:34,722 INFO L225 Difference]: With dead ends: 144 [2023-04-01 05:55:34,722 INFO L226 Difference]: Without dead ends: 74 [2023-04-01 05:55:34,725 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 05:55:34,728 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:34,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:55:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-01 05:55:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-01 05:55:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-01 05:55:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-04-01 05:55:34,761 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 46 [2023-04-01 05:55:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:34,762 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-04-01 05:55:34,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:55:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-04-01 05:55:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 05:55:34,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:34,764 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] [2023-04-01 05:55:34,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:55:34,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:34,766 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:34,766 INFO L85 PathProgramCache]: Analyzing trace with hash -999347498, now seen corresponding path program 1 times [2023-04-01 05:55:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:34,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824785534] [2023-04-01 05:55:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:34,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:34,911 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 05:55:34,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:34,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824785534] [2023-04-01 05:55:34,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824785534] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:34,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:34,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:55:34,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433233811] [2023-04-01 05:55:34,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:34,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:55:34,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:34,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:55:34,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:55:34,914 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:55:34,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:34,942 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2023-04-01 05:55:34,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:55:34,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-01 05:55:34,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:34,944 INFO L225 Difference]: With dead ends: 102 [2023-04-01 05:55:34,944 INFO L226 Difference]: Without dead ends: 66 [2023-04-01 05:55:34,944 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 05:55:34,946 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:34,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 114 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:55:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-01 05:55:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-01 05:55:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 38 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-01 05:55:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-04-01 05:55:34,954 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 47 [2023-04-01 05:55:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:34,955 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-04-01 05:55:34,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:55:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-04-01 05:55:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-01 05:55:34,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:34,957 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] [2023-04-01 05:55:34,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:55:34,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:34,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1964645719, now seen corresponding path program 1 times [2023-04-01 05:55:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716342206] [2023-04-01 05:55:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:35,022 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 05:55:35,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:35,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716342206] [2023-04-01 05:55:35,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716342206] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:35,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:35,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:55:35,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020231390] [2023-04-01 05:55:35,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:35,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:55:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:35,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:55:35,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:55:35,027 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:55:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:35,051 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2023-04-01 05:55:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:55:35,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-01 05:55:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:35,053 INFO L225 Difference]: With dead ends: 107 [2023-04-01 05:55:35,053 INFO L226 Difference]: Without dead ends: 66 [2023-04-01 05:55:35,054 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 05:55:35,055 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 48 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:35,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:55:35,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-01 05:55:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-01 05:55:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 37 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-01 05:55:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-04-01 05:55:35,064 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 49 [2023-04-01 05:55:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:35,065 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-04-01 05:55:35,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 05:55:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-04-01 05:55:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 05:55:35,066 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:35,066 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, 1] [2023-04-01 05:55:35,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:55:35,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:35,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:35,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1248624704, now seen corresponding path program 1 times [2023-04-01 05:55:35,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:35,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689118679] [2023-04-01 05:55:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:35,235 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 05:55:35,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689118679] [2023-04-01 05:55:35,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689118679] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:35,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:35,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:55:35,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798300100] [2023-04-01 05:55:35,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:35,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:55:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:55:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:55:35,238 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:55:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:35,354 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2023-04-01 05:55:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 05:55:35,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 52 [2023-04-01 05:55:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:35,362 INFO L225 Difference]: With dead ends: 140 [2023-04-01 05:55:35,363 INFO L226 Difference]: Without dead ends: 99 [2023-04-01 05:55:35,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 05:55:35,364 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 32 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:35,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 245 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:55:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-04-01 05:55:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-04-01 05:55:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 50 states have (on average 1.18) internal successors, (59), 56 states have internal predecessors, (59), 24 states have call successors, (24), 24 states have call predecessors, (24), 20 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-01 05:55:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2023-04-01 05:55:35,390 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 52 [2023-04-01 05:55:35,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:35,390 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2023-04-01 05:55:35,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:55:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2023-04-01 05:55:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-01 05:55:35,392 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:55:35,392 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, 1, 1, 1, 1] [2023-04-01 05:55:35,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:55:35,392 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:55:35,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:55:35,393 INFO L85 PathProgramCache]: Analyzing trace with hash -380181310, now seen corresponding path program 1 times [2023-04-01 05:55:35,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:55:35,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587495867] [2023-04-01 05:55:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:55:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:55:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:55:35,534 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 05:55:35,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:55:35,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587495867] [2023-04-01 05:55:35,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587495867] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:55:35,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:55:35,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:55:35,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318488082] [2023-04-01 05:55:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:55:35,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:55:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:55:35,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:55:35,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:55:35,537 INFO L87 Difference]: Start difference. First operand 95 states and 103 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, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 05:55:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:55:35,669 INFO L93 Difference]: Finished difference Result 157 states and 176 transitions. [2023-04-01 05:55:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:55:35,670 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, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2023-04-01 05:55:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:55:35,671 INFO L225 Difference]: With dead ends: 157 [2023-04-01 05:55:35,671 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:55:35,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 05:55:35,677 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 32 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:55:35,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 177 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:55:35,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:55:35,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:55:35,678 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 05:55:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:55:35,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2023-04-01 05:55:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:55:35,679 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:55:35,679 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, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 05:55:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:55:35,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:55:35,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:55:35,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:55:35,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-04-01 05:55:36,071 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-04-01 05:55:36,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-04-01 05:55:36,073 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-04-01 05:55:36,073 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2023-04-01 05:55:36,073 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 872 880) the Hoare annotation is: true [2023-04-01 05:55:36,073 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 742 764) no Hoare annotation was computed. [2023-04-01 05:55:36,073 INFO L895 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,074 INFO L895 garLoopResultBuilder]: At program point L754-1(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,074 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 759) no Hoare annotation was computed. [2023-04-01 05:55:36,074 INFO L899 garLoopResultBuilder]: For program point L752-1(lines 752 759) no Hoare annotation was computed. [2023-04-01 05:55:36,074 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-04-01 05:55:36,074 INFO L895 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,074 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,075 INFO L895 garLoopResultBuilder]: At program point L748-1(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 764) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point L705(line 705) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 697 720) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point L702(line 702) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 697 720) no Hoare annotation was computed. [2023-04-01 05:55:36,075 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L714(line 714) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 697 720) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L713(line 713) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L711(line 711) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L707(line 707) no Hoare annotation was computed. [2023-04-01 05:55:36,076 INFO L899 garLoopResultBuilder]: For program point L706(line 706) no Hoare annotation was computed. [2023-04-01 05:55:36,077 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2023-04-01 05:55:36,077 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2023-04-01 05:55:36,077 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-04-01 05:55:36,077 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-04-01 05:55:36,077 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 529 535) no Hoare annotation was computed. [2023-04-01 05:55:36,077 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 529 535) the Hoare annotation is: true [2023-04-01 05:55:36,077 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 469 480) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 05:55:36,077 INFO L899 garLoopResultBuilder]: For program point L440(lines 439 484) no Hoare annotation was computed. [2023-04-01 05:55:36,078 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 429 492) no Hoare annotation was computed. [2023-04-01 05:55:36,078 INFO L895 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 05:55:36,078 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 465) no Hoare annotation was computed. [2023-04-01 05:55:36,078 INFO L899 garLoopResultBuilder]: For program point L459-1(lines 459 465) no Hoare annotation was computed. [2023-04-01 05:55:36,078 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 429 492) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,078 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 05:55:36,078 INFO L895 garLoopResultBuilder]: At program point L482(lines 439 484) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 05:55:36,079 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-04-01 05:55:36,079 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-04-01 05:55:36,079 INFO L895 garLoopResultBuilder]: At program point L485(lines 438 486) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0))) [2023-04-01 05:55:36,079 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 429 492) no Hoare annotation was computed. [2023-04-01 05:55:36,079 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2023-04-01 05:55:36,079 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-01 05:55:36,079 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 636 664) the Hoare annotation is: true [2023-04-01 05:55:36,079 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 658) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L895 garLoopResultBuilder]: At program point L646(line 646) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point L646-1(line 646) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 636 664) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point L644-1(lines 636 664) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 814 836) no Hoare annotation was computed. [2023-04-01 05:55:36,080 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 635) the Hoare annotation is: true [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 628 635) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 545 561) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 545 561) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 545 561) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 558) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-01 05:55:36,081 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 837 845) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L895 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-01 05:55:36,082 INFO L899 garLoopResultBuilder]: For program point L509(lines 508 527) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 505 528) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 505 528) the Hoare annotation is: true [2023-04-01 05:55:36,082 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 505 528) no Hoare annotation was computed. [2023-04-01 05:55:36,082 INFO L902 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: true [2023-04-01 05:55:36,082 INFO L902 garLoopResultBuilder]: At program point L516(lines 516 522) the Hoare annotation is: true [2023-04-01 05:55:36,083 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2023-04-01 05:55:36,083 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-04-01 05:55:36,083 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 667 696) no Hoare annotation was computed. [2023-04-01 05:55:36,083 INFO L902 garLoopResultBuilder]: At program point L692(lines 667 696) the Hoare annotation is: true [2023-04-01 05:55:36,083 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-04-01 05:55:36,083 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 667 696) the Hoare annotation is: true [2023-04-01 05:55:36,083 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-04-01 05:55:36,083 INFO L902 garLoopResultBuilder]: At program point L681-1(lines 681 685) the Hoare annotation is: true [2023-04-01 05:55:36,083 INFO L902 garLoopResultBuilder]: At program point L677-2(lines 677 691) the Hoare annotation is: true [2023-04-01 05:55:36,084 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 805 813) the Hoare annotation is: true [2023-04-01 05:55:36,084 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2023-04-01 05:55:36,084 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2023-04-01 05:55:36,084 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 769 780) the Hoare annotation is: true [2023-04-01 05:55:36,084 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2023-04-01 05:55:36,084 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 792) the Hoare annotation is: true [2023-04-01 05:55:36,084 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-01 05:55:36,084 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 536 543) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 536 543) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 581 589) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 581 589) the Hoare annotation is: true [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point L620-1(line 620) no Hoare annotation was computed. [2023-04-01 05:55:36,085 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 590 625) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 590 625) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 728 738) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 738) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 728 738) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 570 580) no Hoare annotation was computed. [2023-04-01 05:55:36,086 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 570 580) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 562 569) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 562 569) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-04-01 05:55:36,087 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 848 857) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:36,088 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:55:36,089 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 793 804) the Hoare annotation is: true [2023-04-01 05:55:36,089 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2023-04-01 05:55:36,089 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 721 727) no Hoare annotation was computed. [2023-04-01 05:55:36,089 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 721 727) the Hoare annotation is: true [2023-04-01 05:55:36,089 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:55:36,089 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 05:55:36,089 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:55:36,089 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:55:36,092 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-01 05:55:36,094 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:55:36,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:55:36 BoogieIcfgContainer [2023-04-01 05:55:36,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:55:36,105 INFO L158 Benchmark]: Toolchain (without parser) took 3258.13ms. Allocated memory is still 278.9MB. Free memory was 230.7MB in the beginning and 213.0MB in the end (delta: 17.8MB). Peak memory consumption was 121.5MB. Max. memory is 8.0GB. [2023-04-01 05:55:36,105 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:55:36,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.21ms. Allocated memory is still 278.9MB. Free memory was 230.7MB in the beginning and 212.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 05:55:36,105 INFO L158 Benchmark]: Boogie Preprocessor took 54.63ms. Allocated memory is still 278.9MB. Free memory was 212.9MB in the beginning and 209.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:55:36,106 INFO L158 Benchmark]: RCFGBuilder took 1031.16ms. Allocated memory is still 278.9MB. Free memory was 209.3MB in the beginning and 151.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-04-01 05:55:36,106 INFO L158 Benchmark]: TraceAbstraction took 1785.47ms. Allocated memory is still 278.9MB. Free memory was 151.0MB in the beginning and 213.0MB in the end (delta: -61.9MB). Peak memory consumption was 41.8MB. Max. memory is 8.0GB. [2023-04-01 05:55:36,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.21ms. Allocated memory is still 278.9MB. Free memory was 230.7MB in the beginning and 212.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.63ms. Allocated memory is still 278.9MB. Free memory was 212.9MB in the beginning and 209.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1031.16ms. Allocated memory is still 278.9MB. Free memory was 209.3MB in the beginning and 151.6MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1785.47ms. Allocated memory is still 278.9MB. Free memory was 151.0MB in the beginning and 213.0MB in the end (delta: -61.9MB). Peak memory consumption was 41.8MB. 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: 54]: 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 37 procedures, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 315 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 153 PreInvPairs, 165 NumberOfFragments, 269 HoareAnnotationTreeSize, 153 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0)) || splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 05:55:36,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...