/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_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:07:39,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:07:39,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:07:39,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:07:39,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:07:39,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:07:39,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:07:39,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:07:39,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:07:39,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:07:39,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:07:39,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:07:39,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:07:39,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:07:39,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:07:39,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:07:39,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:07:39,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:07:39,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:07:39,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:07:39,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:07:39,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:07:39,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:07:39,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:07:39,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:07:39,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:07:39,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:07:39,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:07:39,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:07:39,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:07:39,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:07:39,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:07:39,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:07:39,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:07:39,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:07:39,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:07:39,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:07:39,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:07:39,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:07:39,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:07:39,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:07:39,178 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 [2023-04-03 01:07:39,209 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:07:39,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:07:39,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:07:39,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:07:39,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:07:39,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:07:39,211 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:07:39,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:07:39,211 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:07:39,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:07:39,212 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:07:39,212 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:07:39,213 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:07:39,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:07:39,213 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:07:39,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:07:39,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:07:39,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:07:39,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:07:39,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:07:39,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:07:39,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:07:39,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:07:39,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:07:39,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:07:39,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:07:39,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:07:39,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:07:39,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:07:39,484 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:07:39,485 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:07:39,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2023-04-03 01:07:40,592 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:07:40,812 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:07:40,819 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2023-04-03 01:07:40,830 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13c1f8536/99214e60df9849c2a5e79074d6f56acb/FLAG9ad29f11d [2023-04-03 01:07:40,845 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13c1f8536/99214e60df9849c2a5e79074d6f56acb [2023-04-03 01:07:40,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:07:40,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:07:40,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:07:40,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:07:40,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:07:40,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:07:40" (1/1) ... [2023-04-03 01:07:40,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@934157e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:40, skipping insertion in model container [2023-04-03 01:07:40,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:07:40" (1/1) ... [2023-04-03 01:07:40,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:07:40,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:07:41,163 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_spec4_product57.cil.c[18691,18704] [2023-04-03 01:07:41,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:07:41,181 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:07:41,264 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_spec4_product57.cil.c[18691,18704] [2023-04-03 01:07:41,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:07:41,287 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:07:41,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41 WrapperNode [2023-04-03 01:07:41,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:07:41,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:07:41,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:07:41,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:07:41,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:07:41,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:07:41,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:07:41,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:07:41,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (1/1) ... [2023-04-03 01:07:41,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:07:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:07:41,388 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) [2023-04-03 01:07:41,390 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 [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:07:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:07:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:07:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:07:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:07:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:07:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:07:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:07:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:07:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:07:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:07:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:07:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:07:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:07:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:07:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:07:41,626 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:07:41,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:07:42,279 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:07:42,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:07:42,444 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:07:42,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:07:42 BoogieIcfgContainer [2023-04-03 01:07:42,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:07:42,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:07:42,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:07:42,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:07:42,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:07:40" (1/3) ... [2023-04-03 01:07:42,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3525ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:07:42, skipping insertion in model container [2023-04-03 01:07:42,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:07:41" (2/3) ... [2023-04-03 01:07:42,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3525ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:07:42, skipping insertion in model container [2023-04-03 01:07:42,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:07:42" (3/3) ... [2023-04-03 01:07:42,458 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2023-04-03 01:07:42,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:07:42,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:07:42,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:07:42,527 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;@183adc76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:07:42,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:07:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 83 states have internal predecessors, (87), 48 states have call successors, (48), 31 states have call predecessors, (48), 31 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-03 01:07:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 01:07:42,540 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:42,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:42,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:42,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1905498872, now seen corresponding path program 1 times [2023-04-03 01:07:42,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:42,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984166400] [2023-04-03 01:07:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:42,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:42,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:42,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984166400] [2023-04-03 01:07:42,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984166400] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:42,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:42,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:07:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758738579] [2023-04-03 01:07:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:42,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:07:42,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:42,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:07:42,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:07:42,811 INFO L87 Difference]: Start difference. First operand has 152 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 83 states have internal predecessors, (87), 48 states have call successors, (48), 31 states have call predecessors, (48), 31 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:42,896 INFO L93 Difference]: Finished difference Result 237 states and 280 transitions. [2023-04-03 01:07:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:07:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 01:07:42,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:42,907 INFO L225 Difference]: With dead ends: 237 [2023-04-03 01:07:42,907 INFO L226 Difference]: Without dead ends: 119 [2023-04-03 01:07:42,911 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 [2023-04-03 01:07:42,914 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:42,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:07:42,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-04-03 01:07:42,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-04-03 01:07:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 71 states have internal predecessors, (73), 33 states have call successors, (33), 29 states have call predecessors, (33), 24 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-04-03 01:07:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2023-04-03 01:07:42,965 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 42 [2023-04-03 01:07:42,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:42,965 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2023-04-03 01:07:42,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2023-04-03 01:07:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 01:07:42,968 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:42,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:42,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:07:42,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:42,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:42,970 INFO L85 PathProgramCache]: Analyzing trace with hash -34569936, now seen corresponding path program 1 times [2023-04-03 01:07:42,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:42,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523732442] [2023-04-03 01:07:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:42,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:43,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:43,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523732442] [2023-04-03 01:07:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523732442] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:43,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:43,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:07:43,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147911698] [2023-04-03 01:07:43,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:43,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:07:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:43,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:07:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:07:43,096 INFO L87 Difference]: Start difference. First operand 119 states and 134 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:43,141 INFO L93 Difference]: Finished difference Result 195 states and 219 transitions. [2023-04-03 01:07:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:07:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 01:07:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:43,144 INFO L225 Difference]: With dead ends: 195 [2023-04-03 01:07:43,144 INFO L226 Difference]: Without dead ends: 111 [2023-04-03 01:07:43,145 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 [2023-04-03 01:07:43,146 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 7 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:43,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 202 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:07:43,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-04-03 01:07:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-04-03 01:07:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 66 states have internal predecessors, (67), 30 states have call successors, (30), 28 states have call predecessors, (30), 24 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-03 01:07:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2023-04-03 01:07:43,164 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 43 [2023-04-03 01:07:43,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:43,165 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2023-04-03 01:07:43,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 01:07:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2023-04-03 01:07:43,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-04-03 01:07:43,166 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:43,167 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] [2023-04-03 01:07:43,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:07:43,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:43,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:43,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1074251359, now seen corresponding path program 1 times [2023-04-03 01:07:43,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:43,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020134739] [2023-04-03 01:07:43,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:43,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:43,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:43,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020134739] [2023-04-03 01:07:43,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020134739] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:43,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:43,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:07:43,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870959577] [2023-04-03 01:07:43,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:43,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:07:43,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:43,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:07:43,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:07:43,335 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:07:43,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:43,609 INFO L93 Difference]: Finished difference Result 200 states and 225 transitions. [2023-04-03 01:07:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:07:43,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 45 [2023-04-03 01:07:43,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:43,615 INFO L225 Difference]: With dead ends: 200 [2023-04-03 01:07:43,616 INFO L226 Difference]: Without dead ends: 111 [2023-04-03 01:07:43,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:07:43,624 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 168 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:43,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 295 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:07:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-04-03 01:07:43,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-04-03 01:07:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 65 states have internal predecessors, (66), 30 states have call successors, (30), 28 states have call predecessors, (30), 24 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-03 01:07:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2023-04-03 01:07:43,643 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 45 [2023-04-03 01:07:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:43,643 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2023-04-03 01:07:43,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 01:07:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2023-04-03 01:07:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-03 01:07:43,657 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:43,658 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, 1, 1, 1] [2023-04-03 01:07:43,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:07:43,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:43,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1306640472, now seen corresponding path program 1 times [2023-04-03 01:07:43,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:43,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867795961] [2023-04-03 01:07:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:43,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:43,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:43,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867795961] [2023-04-03 01:07:43,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867795961] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:43,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:43,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:07:43,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659810132] [2023-04-03 01:07:43,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:43,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:07:43,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:43,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:07:43,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:07:43,869 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-03 01:07:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:44,210 INFO L93 Difference]: Finished difference Result 284 states and 327 transitions. [2023-04-03 01:07:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:07:44,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) Word has length 58 [2023-04-03 01:07:44,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:44,220 INFO L225 Difference]: With dead ends: 284 [2023-04-03 01:07:44,220 INFO L226 Difference]: Without dead ends: 195 [2023-04-03 01:07:44,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:07:44,228 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 155 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:44,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 140 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:07:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-04-03 01:07:44,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 180. [2023-04-03 01:07:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 96 states have (on average 1.1458333333333333) internal successors, (110), 104 states have internal predecessors, (110), 41 states have call successors, (41), 40 states have call predecessors, (41), 42 states have return successors, (45), 40 states have call predecessors, (45), 37 states have call successors, (45) [2023-04-03 01:07:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 196 transitions. [2023-04-03 01:07:44,266 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 196 transitions. Word has length 58 [2023-04-03 01:07:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:44,266 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 196 transitions. [2023-04-03 01:07:44,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 5 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-03 01:07:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 196 transitions. [2023-04-03 01:07:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-04-03 01:07:44,270 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:44,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:44,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:07:44,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:44,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:44,271 INFO L85 PathProgramCache]: Analyzing trace with hash -290559802, now seen corresponding path program 1 times [2023-04-03 01:07:44,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:44,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40868254] [2023-04-03 01:07:44,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:07:44,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:44,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40868254] [2023-04-03 01:07:44,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40868254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:44,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:07:44,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:07:44,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623734883] [2023-04-03 01:07:44,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:44,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:07:44,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:44,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:07:44,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:07:44,513 INFO L87 Difference]: Start difference. First operand 180 states and 196 transitions. Second operand has 10 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:07:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:07:44,814 INFO L93 Difference]: Finished difference Result 536 states and 611 transitions. [2023-04-03 01:07:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:07:44,815 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 67 [2023-04-03 01:07:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:07:44,821 INFO L225 Difference]: With dead ends: 536 [2023-04-03 01:07:44,821 INFO L226 Difference]: Without dead ends: 378 [2023-04-03 01:07:44,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-04-03 01:07:44,825 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 139 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:07:44,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 717 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:07:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-04-03 01:07:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 364. [2023-04-03 01:07:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 202 states have (on average 1.1386138613861385) internal successors, (230), 218 states have internal predecessors, (230), 77 states have call successors, (77), 76 states have call predecessors, (77), 84 states have return successors, (95), 80 states have call predecessors, (95), 73 states have call successors, (95) [2023-04-03 01:07:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 402 transitions. [2023-04-03 01:07:44,886 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 402 transitions. Word has length 67 [2023-04-03 01:07:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:07:44,887 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 402 transitions. [2023-04-03 01:07:44,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-03 01:07:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 402 transitions. [2023-04-03 01:07:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 01:07:44,894 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:07:44,895 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:07:44,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:07:44,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:07:44,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:07:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash 80547981, now seen corresponding path program 1 times [2023-04-03 01:07:44,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:07:44,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282330359] [2023-04-03 01:07:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:07:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 01:07:45,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:07:45,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282330359] [2023-04-03 01:07:45,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282330359] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:07:45,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841743888] [2023-04-03 01:07:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:07:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:07:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:07:45,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:07:45,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:07:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:07:45,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 51 conjunts are in the unsatisfiable core [2023-04-03 01:07:45,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:07:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-03 01:07:45,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:07:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 01:07:46,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841743888] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:07:46,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1678120876] [2023-04-03 01:07:46,470 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-04-03 01:07:46,471 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:07:46,476 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:07:46,480 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:07:46,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:07:46,727 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:07:46,790 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:07:47,005 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:07:47,019 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:07:47,025 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:07:47,029 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:07:48,621 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-04-03 01:07:48,631 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 43 for LOIs [2023-04-03 01:07:48,861 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 22 for LOIs [2023-04-03 01:07:48,910 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:07:48,913 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 22 for LOIs [2023-04-03 01:07:48,916 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:07:48,919 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:07:48,921 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 40 for LOIs [2023-04-03 01:07:48,981 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 40 for LOIs [2023-04-03 01:07:49,066 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 38 for LOIs [2023-04-03 01:07:49,201 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 38 for LOIs [2023-04-03 01:07:49,211 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 22 for LOIs [2023-04-03 01:07:49,213 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:07:51,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1678120876] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:07:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:07:51,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [7, 14, 12] total 61 [2023-04-03 01:07:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944992408] [2023-04-03 01:07:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:07:51,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-04-03 01:07:51,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:07:51,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-04-03 01:07:51,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=3255, Unknown=0, NotChecked=0, Total=3660 [2023-04-03 01:07:51,670 INFO L87 Difference]: Start difference. First operand 364 states and 402 transitions. Second operand has 35 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 27 states have internal predecessors, (41), 12 states have call successors, (19), 9 states have call predecessors, (19), 13 states have return successors, (15), 13 states have call predecessors, (15), 10 states have call successors, (15) [2023-04-03 01:08:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:01,345 INFO L93 Difference]: Finished difference Result 731 states and 829 transitions. [2023-04-03 01:08:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-03 01:08:01,346 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 27 states have internal predecessors, (41), 12 states have call successors, (19), 9 states have call predecessors, (19), 13 states have return successors, (15), 13 states have call predecessors, (15), 10 states have call successors, (15) Word has length 115 [2023-04-03 01:08:01,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:01,349 INFO L225 Difference]: With dead ends: 731 [2023-04-03 01:08:01,349 INFO L226 Difference]: Without dead ends: 573 [2023-04-03 01:08:01,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1319, Invalid=7993, Unknown=0, NotChecked=0, Total=9312 [2023-04-03 01:08:01,354 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 429 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:01,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 88 Invalid, 3372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-04-03 01:08:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-04-03 01:08:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 535. [2023-04-03 01:08:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 303 states have (on average 1.132013201320132) internal successors, (343), 324 states have internal predecessors, (343), 112 states have call successors, (112), 111 states have call predecessors, (112), 119 states have return successors, (142), 112 states have call predecessors, (142), 108 states have call successors, (142) [2023-04-03 01:08:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 597 transitions. [2023-04-03 01:08:01,463 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 597 transitions. Word has length 115 [2023-04-03 01:08:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:01,465 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 597 transitions. [2023-04-03 01:08:01,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 27 states have internal predecessors, (41), 12 states have call successors, (19), 9 states have call predecessors, (19), 13 states have return successors, (15), 13 states have call predecessors, (15), 10 states have call successors, (15) [2023-04-03 01:08:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 597 transitions. [2023-04-03 01:08:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-03 01:08:01,473 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:01,473 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:01,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 01:08:01,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-03 01:08:01,679 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:01,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash -776536299, now seen corresponding path program 1 times [2023-04-03 01:08:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:01,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561320676] [2023-04-03 01:08:01,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-03 01:08:01,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561320676] [2023-04-03 01:08:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561320676] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357108917] [2023-04-03 01:08:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:01,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:08:01,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:08:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:02,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 51 conjunts are in the unsatisfiable core [2023-04-03 01:08:02,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:02,321 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-03 01:08:02,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:08:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-03 01:08:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357108917] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:08:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [45140473] [2023-04-03 01:08:02,773 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2023-04-03 01:08:02,773 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:08:02,774 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:08:02,774 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:08:02,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:08:02,877 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:08:02,906 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:08:03,051 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:08:03,061 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:03,063 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:03,066 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:05,104 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 37 for LOIs [2023-04-03 01:08:05,110 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 50 for LOIs [2023-04-03 01:08:05,362 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 24 for LOIs [2023-04-03 01:08:05,403 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 26 for LOIs [2023-04-03 01:08:05,405 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 24 for LOIs [2023-04-03 01:08:05,408 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 36 for LOIs [2023-04-03 01:08:05,413 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:05,416 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:05,418 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 49 for LOIs [2023-04-03 01:08:05,532 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 49 for LOIs [2023-04-03 01:08:05,650 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 47 for LOIs [2023-04-03 01:08:05,738 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 47 for LOIs [2023-04-03 01:08:05,745 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 24 for LOIs [2023-04-03 01:08:05,747 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:08:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [45140473] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:08:09,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:08:09,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [7, 14, 12] total 64 [2023-04-03 01:08:09,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460844643] [2023-04-03 01:08:09,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:08:09,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-04-03 01:08:09,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-04-03 01:08:09,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=3607, Unknown=0, NotChecked=0, Total=4032 [2023-04-03 01:08:09,459 INFO L87 Difference]: Start difference. First operand 535 states and 597 transitions. Second operand has 38 states, 25 states have (on average 1.72) internal successors, (43), 29 states have internal predecessors, (43), 13 states have call successors, (20), 10 states have call predecessors, (20), 14 states have return successors, (16), 14 states have call predecessors, (16), 11 states have call successors, (16) [2023-04-03 01:08:25,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:25,456 INFO L93 Difference]: Finished difference Result 1089 states and 1286 transitions. [2023-04-03 01:08:25,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-04-03 01:08:25,457 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 25 states have (on average 1.72) internal successors, (43), 29 states have internal predecessors, (43), 13 states have call successors, (20), 10 states have call predecessors, (20), 14 states have return successors, (16), 14 states have call predecessors, (16), 11 states have call successors, (16) Word has length 118 [2023-04-03 01:08:25,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:25,462 INFO L225 Difference]: With dead ends: 1089 [2023-04-03 01:08:25,462 INFO L226 Difference]: Without dead ends: 931 [2023-04-03 01:08:25,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 287 SyntacticMatches, 24 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6188 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=2348, Invalid=16012, Unknown=0, NotChecked=0, Total=18360 [2023-04-03 01:08:25,468 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 839 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 5004 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 5653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 5004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:25,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 280 Invalid, 5653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 5004 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-03 01:08:25,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2023-04-03 01:08:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 544. [2023-04-03 01:08:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 306 states have (on average 1.130718954248366) internal successors, (346), 330 states have internal predecessors, (346), 115 states have call successors, (115), 114 states have call predecessors, (115), 122 states have return successors, (145), 115 states have call predecessors, (145), 111 states have call successors, (145) [2023-04-03 01:08:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 606 transitions. [2023-04-03 01:08:25,584 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 606 transitions. Word has length 118 [2023-04-03 01:08:25,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:25,585 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 606 transitions. [2023-04-03 01:08:25,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 25 states have (on average 1.72) internal successors, (43), 29 states have internal predecessors, (43), 13 states have call successors, (20), 10 states have call predecessors, (20), 14 states have return successors, (16), 14 states have call predecessors, (16), 11 states have call successors, (16) [2023-04-03 01:08:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 606 transitions. [2023-04-03 01:08:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-03 01:08:25,588 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:25,588 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:25,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:08:25,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-03 01:08:25,795 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:25,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:25,795 INFO L85 PathProgramCache]: Analyzing trace with hash 551582552, now seen corresponding path program 1 times [2023-04-03 01:08:25,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:25,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55101377] [2023-04-03 01:08:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:25,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 01:08:26,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55101377] [2023-04-03 01:08:26,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55101377] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386782735] [2023-04-03 01:08:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:26,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:26,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:26,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:08:26,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:08:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:26,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 27 conjunts are in the unsatisfiable core [2023-04-03 01:08:26,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:08:26,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 01:08:26,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386782735] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:08:26,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 01:08:26,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 24 [2023-04-03 01:08:26,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692399757] [2023-04-03 01:08:26,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:08:26,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:08:26,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:26,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:08:26,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2023-04-03 01:08:26,794 INFO L87 Difference]: Start difference. First operand 544 states and 606 transitions. Second operand has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 7 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-04-03 01:08:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:27,895 INFO L93 Difference]: Finished difference Result 1204 states and 1404 transitions. [2023-04-03 01:08:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-03 01:08:27,895 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 7 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 120 [2023-04-03 01:08:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:27,901 INFO L225 Difference]: With dead ends: 1204 [2023-04-03 01:08:27,901 INFO L226 Difference]: Without dead ends: 682 [2023-04-03 01:08:27,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=240, Invalid=1320, Unknown=0, NotChecked=0, Total=1560 [2023-04-03 01:08:27,904 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 249 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:27,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 197 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 01:08:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-04-03 01:08:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 672. [2023-04-03 01:08:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 392 states have (on average 1.1198979591836735) internal successors, (439), 412 states have internal predecessors, (439), 142 states have call successors, (142), 142 states have call predecessors, (142), 137 states have return successors, (183), 137 states have call predecessors, (183), 138 states have call successors, (183) [2023-04-03 01:08:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 764 transitions. [2023-04-03 01:08:28,022 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 764 transitions. Word has length 120 [2023-04-03 01:08:28,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:28,023 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 764 transitions. [2023-04-03 01:08:28,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 7 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2023-04-03 01:08:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 764 transitions. [2023-04-03 01:08:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-03 01:08:28,025 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:28,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:28,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:08:28,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:28,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:28,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:28,233 INFO L85 PathProgramCache]: Analyzing trace with hash -628050338, now seen corresponding path program 1 times [2023-04-03 01:08:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906365745] [2023-04-03 01:08:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 01:08:28,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:28,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906365745] [2023-04-03 01:08:28,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906365745] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:08:28,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:08:28,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:08:28,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121598916] [2023-04-03 01:08:28,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:08:28,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:08:28,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:28,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:08:28,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:08:28,344 INFO L87 Difference]: Start difference. First operand 672 states and 764 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 01:08:28,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:28,565 INFO L93 Difference]: Finished difference Result 685 states and 776 transitions. [2023-04-03 01:08:28,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 01:08:28,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2023-04-03 01:08:28,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:28,569 INFO L225 Difference]: With dead ends: 685 [2023-04-03 01:08:28,569 INFO L226 Difference]: Without dead ends: 682 [2023-04-03 01:08:28,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:08:28,571 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 88 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:28,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 416 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:08:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-04-03 01:08:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 672. [2023-04-03 01:08:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 392 states have (on average 1.1122448979591837) internal successors, (436), 412 states have internal predecessors, (436), 142 states have call successors, (142), 142 states have call predecessors, (142), 137 states have return successors, (183), 137 states have call predecessors, (183), 138 states have call successors, (183) [2023-04-03 01:08:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 761 transitions. [2023-04-03 01:08:28,686 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 761 transitions. Word has length 123 [2023-04-03 01:08:28,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:28,688 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 761 transitions. [2023-04-03 01:08:28,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-03 01:08:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 761 transitions. [2023-04-03 01:08:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 01:08:28,690 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:28,690 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 01:08:28,691 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:28,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1003241587, now seen corresponding path program 1 times [2023-04-03 01:08:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624753356] [2023-04-03 01:08:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-03 01:08:29,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:29,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624753356] [2023-04-03 01:08:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624753356] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:29,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454968589] [2023-04-03 01:08:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:29,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:29,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:08:29,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:08:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:29,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 56 conjunts are in the unsatisfiable core [2023-04-03 01:08:29,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-03 01:08:29,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:08:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:08:30,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454968589] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:08:30,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [174618671] [2023-04-03 01:08:30,473 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2023-04-03 01:08:30,474 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:08:30,474 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:08:30,475 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:08:30,475 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:08:30,572 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:08:30,603 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:08:30,704 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:08:30,712 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:31,682 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 33 for LOIs [2023-04-03 01:08:31,688 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:08:31,870 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 42 for LOIs [2023-04-03 01:08:31,877 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 29 for LOIs [2023-04-03 01:08:31,985 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:08:32,152 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 22 for LOIs [2023-04-03 01:08:32,210 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 22 for LOIs [2023-04-03 01:08:32,215 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 34 for LOIs [2023-04-03 01:08:32,269 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 32 for LOIs [2023-04-03 01:08:32,292 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:08:32,296 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 24 for LOIs [2023-04-03 01:08:32,298 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 23 for LOIs [2023-04-03 01:08:32,300 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 23 for LOIs [2023-04-03 01:08:32,350 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 23 for LOIs [2023-04-03 01:08:32,353 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:32,355 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:32,356 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-04-03 01:08:32,393 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-04-03 01:08:32,395 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-04-03 01:08:32,398 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 20 for LOIs [2023-04-03 01:08:32,400 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:32,402 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:32,404 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:08:35,896 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15428#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:08:35,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:08:35,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:08:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 21] total 39 [2023-04-03 01:08:35,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348311054] [2023-04-03 01:08:35,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:08:35,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-04-03 01:08:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-04-03 01:08:35,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=777, Invalid=7965, Unknown=0, NotChecked=0, Total=8742 [2023-04-03 01:08:35,901 INFO L87 Difference]: Start difference. First operand 672 states and 761 transitions. Second operand has 39 states, 26 states have (on average 5.0) internal successors, (130), 31 states have internal predecessors, (130), 12 states have call successors, (63), 14 states have call predecessors, (63), 21 states have return successors, (56), 18 states have call predecessors, (56), 12 states have call successors, (56) [2023-04-03 01:08:40,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:40,374 INFO L93 Difference]: Finished difference Result 2963 states and 3974 transitions. [2023-04-03 01:08:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-04-03 01:08:40,374 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 26 states have (on average 5.0) internal successors, (130), 31 states have internal predecessors, (130), 12 states have call successors, (63), 14 states have call predecessors, (63), 21 states have return successors, (56), 18 states have call predecessors, (56), 12 states have call successors, (56) Word has length 131 [2023-04-03 01:08:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:40,408 INFO L225 Difference]: With dead ends: 2963 [2023-04-03 01:08:40,408 INFO L226 Difference]: Without dead ends: 2693 [2023-04-03 01:08:40,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 315 SyntacticMatches, 17 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11483 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=2579, Invalid=23503, Unknown=0, NotChecked=0, Total=26082 [2023-04-03 01:08:40,415 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2653 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 2248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2691 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2248 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:40,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2691 Valid, 765 Invalid, 5500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2248 Valid, 3252 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 01:08:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2023-04-03 01:08:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2309. [2023-04-03 01:08:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1348 states have (on average 1.1164688427299703) internal successors, (1505), 1413 states have internal predecessors, (1505), 482 states have call successors, (482), 482 states have call predecessors, (482), 478 states have return successors, (718), 478 states have call predecessors, (718), 478 states have call successors, (718) [2023-04-03 01:08:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2705 transitions. [2023-04-03 01:08:40,751 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2705 transitions. Word has length 131 [2023-04-03 01:08:40,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:40,751 INFO L495 AbstractCegarLoop]: Abstraction has 2309 states and 2705 transitions. [2023-04-03 01:08:40,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 26 states have (on average 5.0) internal successors, (130), 31 states have internal predecessors, (130), 12 states have call successors, (63), 14 states have call predecessors, (63), 21 states have return successors, (56), 18 states have call predecessors, (56), 12 states have call successors, (56) [2023-04-03 01:08:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2705 transitions. [2023-04-03 01:08:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-03 01:08:40,755 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:40,755 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:40,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:08:40,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:40,962 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:40,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1394839952, now seen corresponding path program 1 times [2023-04-03 01:08:40,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:40,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803503632] [2023-04-03 01:08:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:40,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-04-03 01:08:41,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:41,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803503632] [2023-04-03 01:08:41,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803503632] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:41,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616668407] [2023-04-03 01:08:41,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:41,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:41,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:41,642 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:08:41,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 01:08:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:41,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 31 conjunts are in the unsatisfiable core [2023-04-03 01:08:41,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:08:42,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:08:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 41 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-04-03 01:08:42,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616668407] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:08:42,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1607139613] [2023-04-03 01:08:42,704 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2023-04-03 01:08:42,705 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:08:42,705 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:08:42,705 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:08:42,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:08:42,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:08:42,811 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:08:42,883 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:08:42,889 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:43,893 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 33 for LOIs [2023-04-03 01:08:43,898 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:08:44,055 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 42 for LOIs [2023-04-03 01:08:44,061 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 29 for LOIs [2023-04-03 01:08:44,186 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:08:44,328 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 22 for LOIs [2023-04-03 01:08:44,394 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 22 for LOIs [2023-04-03 01:08:44,399 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 34 for LOIs [2023-04-03 01:08:44,439 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 32 for LOIs [2023-04-03 01:08:44,457 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:08:44,461 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 24 for LOIs [2023-04-03 01:08:44,463 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 23 for LOIs [2023-04-03 01:08:44,464 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 23 for LOIs [2023-04-03 01:08:44,529 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 23 for LOIs [2023-04-03 01:08:44,532 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:44,534 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:44,536 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-04-03 01:08:44,571 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-04-03 01:08:44,573 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-04-03 01:08:44,575 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 20 for LOIs [2023-04-03 01:08:44,577 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:44,579 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:44,580 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:08:48,337 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '24268#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:08:48,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:08:48,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:08:48,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 34 [2023-04-03 01:08:48,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940904742] [2023-04-03 01:08:48,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:08:48,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-04-03 01:08:48,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:08:48,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-04-03 01:08:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=7178, Unknown=0, NotChecked=0, Total=7832 [2023-04-03 01:08:48,341 INFO L87 Difference]: Start difference. First operand 2309 states and 2705 transitions. Second operand has 34 states, 25 states have (on average 7.04) internal successors, (176), 25 states have internal predecessors, (176), 9 states have call successors, (79), 7 states have call predecessors, (79), 18 states have return successors, (78), 17 states have call predecessors, (78), 9 states have call successors, (78) [2023-04-03 01:08:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:08:51,057 INFO L93 Difference]: Finished difference Result 6246 states and 7280 transitions. [2023-04-03 01:08:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-03 01:08:51,058 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 25 states have (on average 7.04) internal successors, (176), 25 states have internal predecessors, (176), 9 states have call successors, (79), 7 states have call predecessors, (79), 18 states have return successors, (78), 17 states have call predecessors, (78), 9 states have call successors, (78) Word has length 173 [2023-04-03 01:08:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:08:51,079 INFO L225 Difference]: With dead ends: 6246 [2023-04-03 01:08:51,079 INFO L226 Difference]: Without dead ends: 4296 [2023-04-03 01:08:51,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 446 SyntacticMatches, 23 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7302 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1354, Invalid=14648, Unknown=0, NotChecked=0, Total=16002 [2023-04-03 01:08:51,087 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1103 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 3389 mSolverCounterSat, 969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 4358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 3389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:08:51,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 484 Invalid, 4358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 3389 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 01:08:51,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2023-04-03 01:08:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 3910. [2023-04-03 01:08:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 2269 states have (on average 1.107095636844425) internal successors, (2512), 2385 states have internal predecessors, (2512), 815 states have call successors, (815), 804 states have call predecessors, (815), 825 states have return successors, (1142), 818 states have call predecessors, (1142), 811 states have call successors, (1142) [2023-04-03 01:08:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 4469 transitions. [2023-04-03 01:08:51,690 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 4469 transitions. Word has length 173 [2023-04-03 01:08:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:08:51,691 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 4469 transitions. [2023-04-03 01:08:51,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 25 states have (on average 7.04) internal successors, (176), 25 states have internal predecessors, (176), 9 states have call successors, (79), 7 states have call predecessors, (79), 18 states have return successors, (78), 17 states have call predecessors, (78), 9 states have call successors, (78) [2023-04-03 01:08:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 4469 transitions. [2023-04-03 01:08:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 01:08:51,694 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:08:51,695 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:08:51,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-03 01:08:51,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-03 01:08:51,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:08:51,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:08:51,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1236544296, now seen corresponding path program 1 times [2023-04-03 01:08:51,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:08:51,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573447143] [2023-04-03 01:08:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:08:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 61 proven. 33 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-04-03 01:08:52,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:08:52,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573447143] [2023-04-03 01:08:52,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573447143] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:08:52,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748144578] [2023-04-03 01:08:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:08:52,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:08:52,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:08:52,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:08:52,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-03 01:08:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:08:52,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 50 conjunts are in the unsatisfiable core [2023-04-03 01:08:52,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:08:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 62 proven. 124 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:08:53,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:08:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 68 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-03 01:08:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748144578] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:08:54,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1151828147] [2023-04-03 01:08:54,692 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2023-04-03 01:08:54,692 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:08:54,693 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:08:54,693 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:08:54,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:08:54,770 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-04-03 01:08:54,793 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-04-03 01:08:54,850 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-04-03 01:08:54,855 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-04-03 01:08:55,909 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 33 for LOIs [2023-04-03 01:08:55,914 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-04-03 01:08:56,078 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 42 for LOIs [2023-04-03 01:08:56,082 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 29 for LOIs [2023-04-03 01:08:56,202 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:08:56,322 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 22 for LOIs [2023-04-03 01:08:56,383 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 22 for LOIs [2023-04-03 01:08:56,387 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 34 for LOIs [2023-04-03 01:08:56,417 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 32 for LOIs [2023-04-03 01:08:56,433 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 32 for LOIs [2023-04-03 01:08:56,436 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 24 for LOIs [2023-04-03 01:08:56,442 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 23 for LOIs [2023-04-03 01:08:56,444 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 23 for LOIs [2023-04-03 01:08:56,478 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 23 for LOIs [2023-04-03 01:08:56,480 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 33 for LOIs [2023-04-03 01:08:56,482 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-04-03 01:08:56,483 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-04-03 01:08:56,484 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-04-03 01:08:56,509 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-04-03 01:08:56,511 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-04-03 01:08:56,512 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 20 for LOIs [2023-04-03 01:08:56,513 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-04-03 01:08:56,515 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-04-03 01:08:56,516 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:01,138 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '40347#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:01,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:01,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:01,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 14] total 45 [2023-04-03 01:09:01,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197915031] [2023-04-03 01:09:01,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:01,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-04-03 01:09:01,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-04-03 01:09:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=664, Invalid=9436, Unknown=0, NotChecked=0, Total=10100 [2023-04-03 01:09:01,143 INFO L87 Difference]: Start difference. First operand 3910 states and 4469 transitions. Second operand has 45 states, 32 states have (on average 7.0) internal successors, (224), 33 states have internal predecessors, (224), 13 states have call successors, (93), 11 states have call predecessors, (93), 24 states have return successors, (94), 23 states have call predecessors, (94), 13 states have call successors, (94) [2023-04-03 01:09:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:02,873 INFO L93 Difference]: Finished difference Result 4376 states and 5005 transitions. [2023-04-03 01:09:02,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-03 01:09:02,877 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 32 states have (on average 7.0) internal successors, (224), 33 states have internal predecessors, (224), 13 states have call successors, (93), 11 states have call predecessors, (93), 24 states have return successors, (94), 23 states have call predecessors, (94), 13 states have call successors, (94) Word has length 223 [2023-04-03 01:09:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:02,878 INFO L225 Difference]: With dead ends: 4376 [2023-04-03 01:09:02,878 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:09:02,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 568 SyntacticMatches, 34 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8344 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1147, Invalid=14353, Unknown=0, NotChecked=0, Total=15500 [2023-04-03 01:09:02,889 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 373 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:02,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 530 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:09:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:09:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:09:02,890 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) [2023-04-03 01:09:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:09:02,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2023-04-03 01:09:02,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:02,891 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:09:02,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 32 states have (on average 7.0) internal successors, (224), 33 states have internal predecessors, (224), 13 states have call successors, (93), 11 states have call predecessors, (93), 24 states have return successors, (94), 23 states have call predecessors, (94), 13 states have call successors, (94) [2023-04-03 01:09:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:09:02,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:09:02,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:09:02,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-03 01:09:03,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:03,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L692(lines 692 696) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L686-2(lines 686 707) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 661 716) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 661 716) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L708(lines 685 709) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L769(lines 742 770) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L762(line 762) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 717 776) no Hoare annotation was computed. [2023-04-03 01:09:15,021 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 753) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 717 776) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 717 776) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point L743-2(lines 743 768) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 503 511) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 503 511) the Hoare annotation is: true [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 346 370) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L902 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: true [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 346 370) no Hoare annotation was computed. [2023-04-03 01:09:15,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 346 370) the Hoare annotation is: true [2023-04-03 01:09:15,022 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2023-04-03 01:09:15,022 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point L356-1(line 356) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 585 607) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,023 INFO L895 garLoopResultBuilder]: At program point L597-1(line 597) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 602) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 602) no Hoare annotation was computed. [2023-04-03 01:09:15,023 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-03 01:09:15,024 INFO L895 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,024 INFO L895 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,024 INFO L895 garLoopResultBuilder]: At program point L591-1(line 591) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 585 607) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,024 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 544 567) no Hoare annotation was computed. [2023-04-03 01:09:15,024 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 544 567) no Hoare annotation was computed. [2023-04-03 01:09:15,024 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 544 567) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-03 01:09:15,025 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L902 garLoopResultBuilder]: At program point L331(line 331) the Hoare annotation is: true [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point L331-1(line 331) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 324 342) the Hoare annotation is: true [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 489 495) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 489 495) the Hoare annotation is: true [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 928 973) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 928 973) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 451 464) the Hoare annotation is: true [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 451 464) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 190 214) no Hoare annotation was computed. [2023-04-03 01:09:15,026 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and .cse1 .cse2)) (or (not .cse2) .cse1 .cse0 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2023-04-03 01:09:15,027 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2023-04-03 01:09:15,027 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 190 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:09:15,027 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse2 .cse0 .cse1) (or .cse2 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))))) [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2023-04-03 01:09:15,027 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse2 .cse0 .cse1) (or .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2023-04-03 01:09:15,027 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2023-04-03 01:09:15,027 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 54 117) no Hoare annotation was computed. [2023-04-03 01:09:15,028 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,028 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 117) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,028 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse1) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (and (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,029 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2023-04-03 01:09:15,029 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse1) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (and (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,029 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-04-03 01:09:15,029 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-04-03 01:09:15,029 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse1) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (and (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,030 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse1) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (and (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 54 117) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 215 222) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0))) [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 215 222) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 465 473) the Hoare annotation is: true [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 465 473) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 419 441) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 419 441) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 224 240) no Hoare annotation was computed. [2023-04-03 01:09:15,030 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0))) [2023-04-03 01:09:15,030 INFO L899 garLoopResultBuilder]: For program point L235-1(lines 224 240) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 224 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0))) [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0))) [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 323) the Hoare annotation is: true [2023-04-03 01:09:15,031 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 450) the Hoare annotation is: true [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 442 450) no Hoare annotation was computed. [2023-04-03 01:09:15,031 INFO L895 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse4)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~waterLevel~0 1))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 2)) (and .cse3 (= 2 ~waterLevel~0) .cse4)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse3 .cse1))))) [2023-04-03 01:09:15,031 INFO L895 garLoopResultBuilder]: At program point L143(lines 143 149) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3)) (or (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2)) (and .cse0 .cse2 .cse3)))) [2023-04-03 01:09:15,031 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0)) .cse2))) [2023-04-03 01:09:15,032 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 155) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0)) (< |old(~waterLevel~0)| 2) (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))))) [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point L136(lines 135 154) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 514 543) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point L539(lines 514 543) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point L528-1(lines 528 532) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point L524-2(lines 524 538) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 514 543) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-04-03 01:09:15,032 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 418) the Hoare annotation is: true [2023-04-03 01:09:15,032 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 374 385) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 374 385) the Hoare annotation is: (or (= ~pumpRunning~0 0) (= 2 ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 2))) [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))))) [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:09:15,033 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 188) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point L170-1(line 170) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2023-04-03 01:09:15,033 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)))) [2023-04-03 01:09:15,034 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 975 982) the Hoare annotation is: true [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 975 982) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 496 502) the Hoare annotation is: true [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 496 502) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 260 268) the Hoare annotation is: true [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 269 304) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 269 304) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 615 660) no Hoare annotation was computed. [2023-04-03 01:09:15,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 615 660) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 575 584) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 575 584) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= |old(~pumpRunning~0)| 0)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 575 584) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L902 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: true [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 259) the Hoare annotation is: true [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2023-04-03 01:09:15,035 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 241 248) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-04-03 01:09:15,035 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 882 927) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 882 927) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 479 488) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 479 488) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L828-2(lines 828 848) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L849(lines 827 850) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 779 881) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 824) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 779 881) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L829(lines 828 848) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 866) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 779 881) no Hoare annotation was computed. [2023-04-03 01:09:15,036 INFO L899 garLoopResultBuilder]: For program point L844(line 844) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 807) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2023-04-03 01:09:15,037 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2023-04-03 01:09:15,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:09:15,038 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2023-04-03 01:09:15,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:09:15,038 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:09:15,041 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:15,043 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:09:15,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:09:15 BoogieIcfgContainer [2023-04-03 01:09:15,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:09:15,062 INFO L158 Benchmark]: Toolchain (without parser) took 94213.01ms. Allocated memory was 318.8MB in the beginning and 923.8MB in the end (delta: 605.0MB). Free memory was 267.7MB in the beginning and 806.6MB in the end (delta: -538.9MB). Peak memory consumption was 555.7MB. Max. memory is 8.0GB. [2023-04-03 01:09:15,062 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory was 134.8MB in the beginning and 134.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:09:15,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 318.8MB. Free memory was 267.7MB in the beginning and 248.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:09:15,063 INFO L158 Benchmark]: Boogie Preprocessor took 72.63ms. Allocated memory is still 318.8MB. Free memory was 248.9MB in the beginning and 245.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:09:15,063 INFO L158 Benchmark]: RCFGBuilder took 1087.03ms. Allocated memory is still 318.8MB. Free memory was 245.5MB in the beginning and 258.8MB in the end (delta: -13.3MB). Peak memory consumption was 40.2MB. Max. memory is 8.0GB. [2023-04-03 01:09:15,063 INFO L158 Benchmark]: TraceAbstraction took 92610.70ms. Allocated memory was 318.8MB in the beginning and 923.8MB in the end (delta: 605.0MB). Free memory was 258.3MB in the beginning and 806.6MB in the end (delta: -548.3MB). Peak memory consumption was 544.8MB. Max. memory is 8.0GB. [2023-04-03 01:09:15,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory was 134.8MB in the beginning and 134.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 318.8MB. Free memory was 267.7MB in the beginning and 248.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.63ms. Allocated memory is still 318.8MB. Free memory was 248.9MB in the beginning and 245.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1087.03ms. Allocated memory is still 318.8MB. Free memory was 245.5MB in the beginning and 258.8MB in the end (delta: -13.3MB). Peak memory consumption was 40.2MB. Max. memory is 8.0GB. * TraceAbstraction took 92610.70ms. Allocated memory was 318.8MB in the beginning and 923.8MB in the end (delta: 605.0MB). Free memory was 258.3MB in the beginning and 806.6MB in the end (delta: -548.3MB). Peak memory consumption was 544.8MB. 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: 979]: 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 42 procedures, 191 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 92.5s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6307 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6203 mSDsluCounter, 4240 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3368 mSDsCounter, 4829 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19486 IncrementalHoareTripleChecker+Invalid, 24315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4829 mSolverCounterUnsat, 872 mSDtfsCounter, 19486 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2875 GetRequests, 2061 SyntacticMatches, 100 SemanticMatches, 714 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36098 ImplicationChecksByTransitivity, 43.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3910occurred in iteration=11, InterpolantAutomatonStates: 329, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1244 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4074 PreInvPairs, 4154 NumberOfFragments, 4256 HoareAnnotationTreeSize, 4074 FomulaSimplifications, 35785 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 38750 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 2138 NumberOfCodeBlocks, 2138 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2875 ConstructedInterpolants, 0 QuantifiedInterpolants, 7582 SizeOfPredicates, 50 NumberOfNonLiveVariables, 3048 ConjunctsInSsa, 266 ConjunctsInUnsatCore, 23 InterpolantComputations, 7 PerfectInterpolantSequences, 934/1242 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: OVERALL_TIME: 5.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 39, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 176, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 143, TOOLS_POST_CALL_TIME: 0.9s, TOOLS_POST_RETURN_APPLICATIONS: 106, TOOLS_POST_RETURN_TIME: 0.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 412, TOOLS_QUANTIFIERELIM_TIME: 2.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 564, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 100, DOMAIN_JOIN_TIME: 3.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 176, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 2.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 106, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1284, DAG_COMPRESSION_RETAINED_NODES: 519, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methaneLevelCritical) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || unknown-#StackHeapBarrier-unknown <= 0) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methaneLevelCritical) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || (2 == waterLevel && splverifierCounter == 0)) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || unknown-#StackHeapBarrier-unknown <= 0) || !(\valid[9] == 1)) || !(head == 0)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1)) || !(cleanupTimeShifts == 4) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:09:15,090 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...