/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_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:02:31,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:02:31,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:02:31,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:02:31,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:02:31,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:02:31,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:02:31,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:02:31,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:02:31,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:02:31,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:02:31,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:02:31,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:02:31,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:02:31,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:02:31,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:02:31,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:02:31,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:02:31,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:02:31,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:02:31,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:02:31,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:02:31,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:02:31,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:02:31,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:02:31,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:02:31,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:02:31,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:02:31,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:02:31,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:02:31,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:02:31,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:02:31,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:02:31,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:02:31,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:02:31,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:02:31,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:02:31,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:02:31,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:02:31,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:02:31,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:02:31,268 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 01:02:31,294 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:02:31,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:02:31,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:02:31,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:02:31,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:02:31,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:02:31,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:02:31,296 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:02:31,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:02:31,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:02:31,297 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:02:31,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:02:31,297 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:02:31,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:02:31,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:02:31,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:31,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:02:31,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:02:31,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:02:31,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:02:31,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:02:31,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:02:31,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:02:31,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:02:31,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:02:31,560 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:02:31,561 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:02:31,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2023-04-03 01:02:32,791 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:02:33,001 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:02:33,002 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2023-04-03 01:02:33,014 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15b332d1/34820f9b3ee64891af74c402cea2d3cd/FLAG79bdbd429 [2023-04-03 01:02:33,027 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15b332d1/34820f9b3ee64891af74c402cea2d3cd [2023-04-03 01:02:33,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:02:33,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:02:33,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:33,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:02:33,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:02:33,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd0e6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33, skipping insertion in model container [2023-04-03 01:02:33,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:02:33,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:02:33,372 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_spec3_product38.cil.c[15422,15435] [2023-04-03 01:02:33,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:33,403 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:02:33,463 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_spec3_product38.cil.c[15422,15435] [2023-04-03 01:02:33,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:02:33,484 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:02:33,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33 WrapperNode [2023-04-03 01:02:33,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:02:33,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:02:33,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:02:33,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:02:33,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:02:33,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:02:33,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:02:33,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:02:33,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (1/1) ... [2023-04-03 01:02:33,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:02:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:33,574 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 01:02:33,596 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 01:02:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:02:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:02:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:02:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:02:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:02:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:02:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:02:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:02:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:02:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:02:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:02:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:02:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:02:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:02:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:02:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:02:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:02:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:02:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:02:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:02:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:02:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:02:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:02:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:02:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:02:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:02:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:02:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:02:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:02:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:02:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:02:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:02:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:02:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:02:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:02:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:02:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:02:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:02:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:02:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:02:33,833 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:02:33,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:02:34,264 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:02:34,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:02:34,385 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:02:34,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:34 BoogieIcfgContainer [2023-04-03 01:02:34,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:02:34,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:02:34,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:02:34,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:02:34,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:33" (1/3) ... [2023-04-03 01:02:34,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278c8d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:34, skipping insertion in model container [2023-04-03 01:02:34,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:33" (2/3) ... [2023-04-03 01:02:34,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278c8d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:34, skipping insertion in model container [2023-04-03 01:02:34,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:34" (3/3) ... [2023-04-03 01:02:34,396 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2023-04-03 01:02:34,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:02:34,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:02:34,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:02:34,468 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;@29534ead, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:02:34,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:02:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 80 states have internal predecessors, (85), 47 states have call successors, (47), 29 states have call predecessors, (47), 29 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-03 01:02:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 01:02:34,483 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:34,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:34,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:34,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:34,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1267147896, now seen corresponding path program 1 times [2023-04-03 01:02:34,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:34,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301433998] [2023-04-03 01:02:34,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:34,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:34,725 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 01:02:34,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301433998] [2023-04-03 01:02:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301433998] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:34,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:02:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677746855] [2023-04-03 01:02:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:34,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:02:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:34,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:02:34,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:02:34,762 INFO L87 Difference]: Start difference. First operand has 146 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 80 states have internal predecessors, (85), 47 states have call successors, (47), 29 states have call predecessors, (47), 29 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:34,856 INFO L93 Difference]: Finished difference Result 225 states and 272 transitions. [2023-04-03 01:02:34,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:02:34,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-03 01:02:34,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:34,883 INFO L225 Difference]: With dead ends: 225 [2023-04-03 01:02:34,884 INFO L226 Difference]: Without dead ends: 113 [2023-04-03 01:02:34,887 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 01:02:34,894 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:34,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-04-03 01:02:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-04-03 01:02:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 68 states have internal predecessors, (71), 32 states have call successors, (32), 27 states have call predecessors, (32), 22 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:02:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2023-04-03 01:02:34,954 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 47 [2023-04-03 01:02:34,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:34,954 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2023-04-03 01:02:34,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2023-04-03 01:02:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-04-03 01:02:34,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:34,965 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] [2023-04-03 01:02:34,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:02:34,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:34,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1432615523, now seen corresponding path program 1 times [2023-04-03 01:02:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174557697] [2023-04-03 01:02:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:35,110 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 01:02:35,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174557697] [2023-04-03 01:02:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174557697] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:02:35,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338670677] [2023-04-03 01:02:35,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:35,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:02:35,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:02:35,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:02:35,115 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:35,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:35,174 INFO L93 Difference]: Finished difference Result 179 states and 206 transitions. [2023-04-03 01:02:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:02:35,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-04-03 01:02:35,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:35,177 INFO L225 Difference]: With dead ends: 179 [2023-04-03 01:02:35,177 INFO L226 Difference]: Without dead ends: 105 [2023-04-03 01:02:35,178 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 01:02:35,179 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 9 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:35,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 193 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:02:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-04-03 01:02:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-04-03 01:02:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 63 states have internal predecessors, (65), 29 states have call successors, (29), 26 states have call predecessors, (29), 22 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:02:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2023-04-03 01:02:35,193 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 48 [2023-04-03 01:02:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:35,194 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2023-04-03 01:02:35,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-03 01:02:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2023-04-03 01:02:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 01:02:35,198 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:35,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:35,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:02:35,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:35,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:35,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1810306099, now seen corresponding path program 1 times [2023-04-03 01:02:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:35,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178128560] [2023-04-03 01:02:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:35,421 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 01:02:35,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:35,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178128560] [2023-04-03 01:02:35,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178128560] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:35,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:35,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:02:35,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195436307] [2023-04-03 01:02:35,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:35,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:02:35,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:35,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:02:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:02:35,427 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:35,622 INFO L93 Difference]: Finished difference Result 188 states and 217 transitions. [2023-04-03 01:02:35,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:02:35,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-04-03 01:02:35,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:35,625 INFO L225 Difference]: With dead ends: 188 [2023-04-03 01:02:35,625 INFO L226 Difference]: Without dead ends: 105 [2023-04-03 01:02:35,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:35,629 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 108 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:35,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 288 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-04-03 01:02:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-04-03 01:02:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 62 states have internal predecessors, (64), 29 states have call successors, (29), 26 states have call predecessors, (29), 22 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-03 01:02:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 118 transitions. [2023-04-03 01:02:35,647 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 118 transitions. Word has length 51 [2023-04-03 01:02:35,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:35,648 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 118 transitions. [2023-04-03 01:02:35,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-03 01:02:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2023-04-03 01:02:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-03 01:02:35,650 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:35,652 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] [2023-04-03 01:02:35,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:02:35,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:35,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:35,653 INFO L85 PathProgramCache]: Analyzing trace with hash 425977520, now seen corresponding path program 1 times [2023-04-03 01:02:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:35,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517757805] [2023-04-03 01:02:35,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:35,852 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 01:02:35,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:35,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517757805] [2023-04-03 01:02:35,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517757805] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:35,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:35,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:02:35,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140794009] [2023-04-03 01:02:35,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:35,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:02:35,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:35,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:02:35,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:02:35,855 INFO L87 Difference]: Start difference. First operand 105 states and 118 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:36,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:36,217 INFO L93 Difference]: Finished difference Result 286 states and 338 transitions. [2023-04-03 01:02:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:36,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) Word has length 64 [2023-04-03 01:02:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:36,224 INFO L225 Difference]: With dead ends: 286 [2023-04-03 01:02:36,224 INFO L226 Difference]: Without dead ends: 203 [2023-04-03 01:02:36,226 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 01:02:36,232 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 147 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:36,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 148 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:02:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-04-03 01:02:36,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2023-04-03 01:02:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 100 states have (on average 1.18) internal successors, (118), 109 states have internal predecessors, (118), 43 states have call successors, (43), 41 states have call predecessors, (43), 42 states have return successors, (46), 42 states have call predecessors, (46), 39 states have call successors, (46) [2023-04-03 01:02:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 207 transitions. [2023-04-03 01:02:36,260 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 207 transitions. Word has length 64 [2023-04-03 01:02:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:36,261 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 207 transitions. [2023-04-03 01:02:36,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 5 states have call successors, (11) [2023-04-03 01:02:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 207 transitions. [2023-04-03 01:02:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-03 01:02:36,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:36,262 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, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:36,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:02:36,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:36,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:36,263 INFO L85 PathProgramCache]: Analyzing trace with hash -885391633, now seen corresponding path program 1 times [2023-04-03 01:02:36,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:36,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365831009] [2023-04-03 01:02:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:36,439 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 01:02:36,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:36,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365831009] [2023-04-03 01:02:36,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365831009] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:36,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:36,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 01:02:36,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859338328] [2023-04-03 01:02:36,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:36,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 01:02:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:36,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 01:02:36,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 01:02:36,443 INFO L87 Difference]: Start difference. First operand 186 states and 207 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:36,571 INFO L93 Difference]: Finished difference Result 452 states and 519 transitions. [2023-04-03 01:02:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:02:36,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 73 [2023-04-03 01:02:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:36,576 INFO L225 Difference]: With dead ends: 452 [2023-04-03 01:02:36,576 INFO L226 Difference]: Without dead ends: 288 [2023-04-03 01:02:36,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 01:02:36,580 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 58 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:36,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 448 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:36,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-04-03 01:02:36,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 278. [2023-04-03 01:02:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 154 states have (on average 1.1818181818181819) internal successors, (182), 167 states have internal predecessors, (182), 61 states have call successors, (61), 59 states have call predecessors, (61), 62 states have return successors, (70), 62 states have call predecessors, (70), 57 states have call successors, (70) [2023-04-03 01:02:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 313 transitions. [2023-04-03 01:02:36,627 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 313 transitions. Word has length 73 [2023-04-03 01:02:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:36,627 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 313 transitions. [2023-04-03 01:02:36,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-03 01:02:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 313 transitions. [2023-04-03 01:02:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:02:36,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:36,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:36,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:02:36,630 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:36,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:36,630 INFO L85 PathProgramCache]: Analyzing trace with hash -17301748, now seen corresponding path program 1 times [2023-04-03 01:02:36,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:36,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572600264] [2023-04-03 01:02:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:36,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:36,785 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 01:02:36,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:36,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572600264] [2023-04-03 01:02:36,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572600264] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:36,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:36,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-03 01:02:36,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033888963] [2023-04-03 01:02:36,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:36,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-03 01:02:36,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:36,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-03 01:02:36,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:02:36,787 INFO L87 Difference]: Start difference. First operand 278 states and 313 transitions. Second operand has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:02:36,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:36,995 INFO L93 Difference]: Finished difference Result 540 states and 611 transitions. [2023-04-03 01:02:36,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:02:36,996 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2023-04-03 01:02:36,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:37,000 INFO L225 Difference]: With dead ends: 540 [2023-04-03 01:02:37,000 INFO L226 Difference]: Without dead ends: 284 [2023-04-03 01:02:37,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:02:37,002 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 72 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:37,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 957 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:02:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-04-03 01:02:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 263. [2023-04-03 01:02:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 144 states have (on average 1.1458333333333333) internal successors, (165), 156 states have internal predecessors, (165), 58 states have call successors, (58), 56 states have call predecessors, (58), 60 states have return successors, (62), 59 states have call predecessors, (62), 54 states have call successors, (62) [2023-04-03 01:02:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 285 transitions. [2023-04-03 01:02:37,032 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 285 transitions. Word has length 76 [2023-04-03 01:02:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:37,033 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 285 transitions. [2023-04-03 01:02:37,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 01:02:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 285 transitions. [2023-04-03 01:02:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-03 01:02:37,035 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:37,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:37,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:02:37,036 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:37,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash 846274210, now seen corresponding path program 1 times [2023-04-03 01:02:37,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:37,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91539536] [2023-04-03 01:02:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:37,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:37,355 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 01:02:37,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:37,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91539536] [2023-04-03 01:02:37,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91539536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:02:37,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:02:37,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-03 01:02:37,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774735118] [2023-04-03 01:02:37,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:37,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-03 01:02:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:37,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-03 01:02:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-04-03 01:02:37,358 INFO L87 Difference]: Start difference. First operand 263 states and 285 transitions. Second operand has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:37,633 INFO L93 Difference]: Finished difference Result 529 states and 590 transitions. [2023-04-03 01:02:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:02:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) Word has length 76 [2023-04-03 01:02:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:37,635 INFO L225 Difference]: With dead ends: 529 [2023-04-03 01:02:37,636 INFO L226 Difference]: Without dead ends: 365 [2023-04-03 01:02:37,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-04-03 01:02:37,637 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 157 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:37,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1022 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-04-03 01:02:37,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 330. [2023-04-03 01:02:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 184 states have (on average 1.1467391304347827) internal successors, (211), 198 states have internal predecessors, (211), 71 states have call successors, (71), 70 states have call predecessors, (71), 74 states have return successors, (78), 72 states have call predecessors, (78), 67 states have call successors, (78) [2023-04-03 01:02:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 360 transitions. [2023-04-03 01:02:37,669 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 360 transitions. Word has length 76 [2023-04-03 01:02:37,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:37,670 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 360 transitions. [2023-04-03 01:02:37,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-03 01:02:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 360 transitions. [2023-04-03 01:02:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 01:02:37,672 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:02:37,672 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:37,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:02:37,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:02:37,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:02:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1506573880, now seen corresponding path program 1 times [2023-04-03 01:02:37,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:02:37,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779178139] [2023-04-03 01:02:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:37,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:02:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 01:02:37,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:02:37,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779178139] [2023-04-03 01:02:37,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779178139] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:37,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881025585] [2023-04-03 01:02:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:02:37,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:37,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:02:37,873 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 01:02:37,894 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 01:02:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:02:38,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 01:02:38,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:02:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 01:02:38,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:02:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 01:02:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881025585] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 01:02:38,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 01:02:38,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2023-04-03 01:02:38,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142286812] [2023-04-03 01:02:38,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:02:38,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:02:38,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:02:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:02:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-04-03 01:02:38,676 INFO L87 Difference]: Start difference. First operand 330 states and 360 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-03 01:02:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:02:38,942 INFO L93 Difference]: Finished difference Result 711 states and 795 transitions. [2023-04-03 01:02:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 01:02:38,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 114 [2023-04-03 01:02:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:02:38,943 INFO L225 Difference]: With dead ends: 711 [2023-04-03 01:02:38,943 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:02:38,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2023-04-03 01:02:38,946 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 192 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:02:38,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 386 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:02:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:02:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:02:38,947 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 01:02:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:02:38,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2023-04-03 01:02:38,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:02:38,948 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:02:38,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2023-04-03 01:02:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:02:38,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:02:38,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:02:38,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:02:39,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:02:39,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:02:41,428 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:02:41,428 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:02:41,428 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2023-04-03 01:02:41,428 INFO L899 garLoopResultBuilder]: For program point L432-2(lines 432 453) no Hoare annotation was computed. [2023-04-03 01:02:41,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 407 462) no Hoare annotation was computed. [2023-04-03 01:02:41,429 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 407 462) no Hoare annotation was computed. [2023-04-03 01:02:41,429 INFO L899 garLoopResultBuilder]: For program point L454(lines 431 455) no Hoare annotation was computed. [2023-04-03 01:02:41,429 INFO L899 garLoopResultBuilder]: For program point L508(line 508) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point L508-1(line 508) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 463 522) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 463 522) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 463 522) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point L489-2(lines 489 514) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point L515(lines 488 516) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-03 01:02:41,430 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-03 01:02:41,431 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 802 824) no Hoare annotation was computed. [2023-04-03 01:02:41,433 INFO L895 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,433 INFO L895 garLoopResultBuilder]: At program point L814-1(line 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,434 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2023-04-03 01:02:41,434 INFO L899 garLoopResultBuilder]: For program point L812-1(lines 812 819) no Hoare annotation was computed. [2023-04-03 01:02:41,434 INFO L899 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2023-04-03 01:02:41,434 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 802 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,434 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,435 INFO L895 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,435 INFO L895 garLoopResultBuilder]: At program point L808-1(line 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,435 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2023-04-03 01:02:41,435 INFO L899 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2023-04-03 01:02:41,436 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 761 784) no Hoare annotation was computed. [2023-04-03 01:02:41,436 INFO L899 garLoopResultBuilder]: For program point L767(line 767) no Hoare annotation was computed. [2023-04-03 01:02:41,436 INFO L899 garLoopResultBuilder]: For program point L766(line 766) no Hoare annotation was computed. [2023-04-03 01:02:41,436 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 761 784) no Hoare annotation was computed. [2023-04-03 01:02:41,436 INFO L899 garLoopResultBuilder]: For program point L779(line 779) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 761 784) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L775(line 775) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L774(line 774) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L773(line 773) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L772(line 772) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L771(line 771) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point L770(line 770) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-03 01:02:41,437 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-03 01:02:41,438 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 674 719) no Hoare annotation was computed. [2023-04-03 01:02:41,438 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 674 719) no Hoare annotation was computed. [2023-04-03 01:02:41,439 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 906 919) the Hoare annotation is: true [2023-04-03 01:02:41,439 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 906 919) no Hoare annotation was computed. [2023-04-03 01:02:41,439 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:41,439 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2023-04-03 01:02:41,439 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2023-04-03 01:02:41,440 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:41,440 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:41,440 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2023-04-03 01:02:41,440 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:41,440 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2023-04-03 01:02:41,440 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2023-04-03 01:02:41,441 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,441 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2023-04-03 01:02:41,441 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2023-04-03 01:02:41,441 INFO L895 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,441 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 93 158) no Hoare annotation was computed. [2023-04-03 01:02:41,441 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,441 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 93 158) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,441 INFO L899 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2023-04-03 01:02:41,442 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,442 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2023-04-03 01:02:41,442 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,442 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2023-04-03 01:02:41,443 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 123 129) no Hoare annotation was computed. [2023-04-03 01:02:41,443 INFO L895 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (< ~waterLevel~0 2)) (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,443 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,443 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2023-04-03 01:02:41,443 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2023-04-03 01:02:41,443 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 93 158) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 874 896) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 874 896) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 255 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= 3 ~waterLevel~0)) [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 327 345) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L902 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: true [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-04-03 01:02:41,444 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 327 345) the Hoare annotation is: true [2023-04-03 01:02:41,444 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 897 905) the Hoare annotation is: true [2023-04-03 01:02:41,444 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 897 905) no Hoare annotation was computed. [2023-04-03 01:02:41,445 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and (< ~waterLevel~0 2) (= ~pumpRunning~0 1))) (or .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse1 (= |old(~waterLevel~0)| 2)) (or .cse2 .cse0 .cse1 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 3))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)))) [2023-04-03 01:02:41,445 INFO L895 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse2 .cse3) (and .cse4 .cse2)) (or .cse5 .cse0 (<= 2 |old(~waterLevel~0)|) .cse2) (let ((.cse6 (< ~waterLevel~0 3))) (or (and .cse6 .cse3) .cse5 .cse0 .cse1 (and .cse4 (not (= 2 ~waterLevel~0)) .cse6))) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)))) [2023-04-03 01:02:41,445 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 1)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)))) [2023-04-03 01:02:41,445 INFO L899 garLoopResultBuilder]: For program point L176(lines 175 194) no Hoare annotation was computed. [2023-04-03 01:02:41,445 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2023-04-03 01:02:41,445 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 195) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse0 (< ~waterLevel~0 3)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse3 (<= 2 |old(~waterLevel~0)|) (< ~waterLevel~0 2)) (or .cse4 .cse1 (not (= 2 ~waterLevel~0)) .cse2 (= |old(~waterLevel~0)| 2)) (or .cse4 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2023-04-03 01:02:41,445 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2023-04-03 01:02:41,445 INFO L902 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point L737-1(line 737) no Hoare annotation was computed. [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 731 760) no Hoare annotation was computed. [2023-04-03 01:02:41,446 INFO L902 garLoopResultBuilder]: At program point L756(lines 731 760) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2023-04-03 01:02:41,446 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 731 760) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2023-04-03 01:02:41,446 INFO L902 garLoopResultBuilder]: At program point L745-1(lines 745 749) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L902 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 873) the Hoare annotation is: true [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2023-04-03 01:02:41,446 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 829 840) no Hoare annotation was computed. [2023-04-03 01:02:41,447 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 829 840) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 1)))) (and (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 2)) (or .cse0 (<= 3 |old(~waterLevel~0)|) .cse1 (< ~waterLevel~0 3)))) [2023-04-03 01:02:41,447 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 346 353) no Hoare annotation was computed. [2023-04-03 01:02:41,447 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 346 353) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2023-04-03 01:02:41,447 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0)))) [2023-04-03 01:02:41,447 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2023-04-03 01:02:41,448 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 204 228) no Hoare annotation was computed. [2023-04-03 01:02:41,448 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:41,448 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (<= 3 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (not (= 2 ~waterLevel~0))))))) [2023-04-03 01:02:41,448 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2023-04-03 01:02:41,448 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1))))) [2023-04-03 01:02:41,448 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2023-04-03 01:02:41,448 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2023-04-03 01:02:41,448 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (<= 3 ~waterLevel~0)) (or .cse0 (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2023-04-03 01:02:41,448 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 841 852) the Hoare annotation is: (let ((.cse2 (<= 2 |old(~waterLevel~0)|)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse1 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2023-04-03 01:02:41,449 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 721 728) the Hoare annotation is: true [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 721 728) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 282 290) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 290) the Hoare annotation is: true [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 291 326) no Hoare annotation was computed. [2023-04-03 01:02:41,449 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 291 326) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 361 406) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 361 406) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 792 801) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 792 801) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 271 281) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 281) the Hoare annotation is: true [2023-04-03 01:02:41,450 INFO L902 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: true [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 263 270) no Hoare annotation was computed. [2023-04-03 01:02:41,450 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 270) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (<= 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:02:41,450 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 628 673) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 628 673) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point L574-2(lines 574 594) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point L595(lines 573 596) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 570) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 525 627) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 525 627) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point L575(lines 574 594) no Hoare annotation was computed. [2023-04-03 01:02:41,451 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 612) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 525 627) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 553) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3))) [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 864) the Hoare annotation is: true [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2023-04-03 01:02:41,452 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L902 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: true [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 921 953) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L895 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (<= 2 ~waterLevel~0)) (or .cse0 (<= 3 ~waterLevel~0) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L895 garLoopResultBuilder]: At program point L938(line 938) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~pumpRunning~0 1))))) [2023-04-03 01:02:41,453 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 921 953) the Hoare annotation is: true [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point L938-1(line 938) no Hoare annotation was computed. [2023-04-03 01:02:41,453 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point L936-1(lines 921 953) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L902 garLoopResultBuilder]: At program point L934(line 934) the Hoare annotation is: true [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point L934-1(line 934) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 785 791) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 785 791) the Hoare annotation is: true [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-03 01:02:41,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:02:41,454 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:02:41,458 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:02:41,459 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:02:41,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:41 BoogieIcfgContainer [2023-04-03 01:02:41,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:02:41,478 INFO L158 Benchmark]: Toolchain (without parser) took 8446.59ms. Allocated memory was 294.6MB in the beginning and 355.5MB in the end (delta: 60.8MB). Free memory was 250.2MB in the beginning and 143.9MB in the end (delta: 106.3MB). Peak memory consumption was 192.4MB. Max. memory is 8.0GB. [2023-04-03 01:02:41,478 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:02:41,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.81ms. Allocated memory is still 294.6MB. Free memory was 250.2MB in the beginning and 231.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:02:41,479 INFO L158 Benchmark]: Boogie Preprocessor took 59.07ms. Allocated memory is still 294.6MB. Free memory was 231.6MB in the beginning and 228.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:02:41,479 INFO L158 Benchmark]: RCFGBuilder took 842.43ms. Allocated memory is still 294.6MB. Free memory was 228.2MB in the beginning and 231.7MB in the end (delta: -3.5MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2023-04-03 01:02:41,479 INFO L158 Benchmark]: TraceAbstraction took 7088.11ms. Allocated memory was 294.6MB in the beginning and 355.5MB in the end (delta: 60.8MB). Free memory was 230.6MB in the beginning and 143.9MB in the end (delta: 86.8MB). Peak memory consumption was 172.2MB. Max. memory is 8.0GB. [2023-04-03 01:02:41,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 448.81ms. Allocated memory is still 294.6MB. Free memory was 250.2MB in the beginning and 231.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.07ms. Allocated memory is still 294.6MB. Free memory was 231.6MB in the beginning and 228.2MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 842.43ms. Allocated memory is still 294.6MB. Free memory was 228.2MB in the beginning and 231.7MB in the end (delta: -3.5MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7088.11ms. Allocated memory was 294.6MB in the beginning and 355.5MB in the end (delta: 60.8MB). Free memory was 230.6MB in the beginning and 143.9MB in the end (delta: 86.8MB). Peak memory consumption was 172.2MB. 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: 725]: 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 40 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 3565 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2751 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1468 IncrementalHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 814 mSDtfsCounter, 1468 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=7, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 83 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 785 PreInvPairs, 838 NumberOfFragments, 1252 HoareAnnotationTreeSize, 785 FomulaSimplifications, 1111 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6416 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 1465 SizeOfPredicates, 6 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 72/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel < 2)) || (((splverifierCounter == 0 && 1 == systemActive) && waterLevel < 3) && pumpRunning == 1) - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-03 01:02:41,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...