/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_product42.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.3-dev-f954360
[2023-04-03 01:02:33,524 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2023-04-03 01:02:33,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2023-04-03 01:02:33,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-04-03 01:02:33,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-04-03 01:02:33,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-04-03 01:02:33,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-04-03 01:02:33,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2023-04-03 01:02:33,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-04-03 01:02:33,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-04-03 01:02:33,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2023-04-03 01:02:33,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-04-03 01:02:33,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-04-03 01:02:33,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-04-03 01:02:33,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-04-03 01:02:33,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-04-03 01:02:33,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-04-03 01:02:33,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-04-03 01:02:33,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-04-03 01:02:33,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2023-04-03 01:02:33,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-04-03 01:02:33,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-04-03 01:02:33,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2023-04-03 01:02:33,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-04-03 01:02:33,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-04-03 01:02:33,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-04-03 01:02:33,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-04-03 01:02:33,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-04-03 01:02:33,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-04-03 01:02:33,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-04-03 01:02:33,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-04-03 01:02:33,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-04-03 01:02:33,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-04-03 01:02:33,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2023-04-03 01:02:33,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-04-03 01:02:33,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2023-04-03 01:02:33,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-04-03 01:02:33,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-04-03 01:02:33,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2023-04-03 01:02:33,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2023-04-03 01:02:33,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2023-04-03 01:02:33,575 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 01:02:33,593 INFO L113 SettingsManager]: Loading preferences was successful
[2023-04-03 01:02:33,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2023-04-03 01:02:33,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-04-03 01:02:33,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-04-03 01:02:33,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-04-03 01:02:33,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-04-03 01:02:33,595 INFO L138 SettingsManager]: * User list type=DISABLED
[2023-04-03 01:02:33,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-04-03 01:02:33,595 INFO L138 SettingsManager]: * Explicit value domain=true
[2023-04-03 01:02:33,595 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-04-03 01:02:33,595 INFO L138 SettingsManager]: * Octagon Domain=false
[2023-04-03 01:02:33,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain
[2023-04-03 01:02:33,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2023-04-03 01:02:33,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2023-04-03 01:02:33,596 INFO L138 SettingsManager]: * Interval Domain=false
[2023-04-03 01:02:33,596 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-04-03 01:02:33,596 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2023-04-03 01:02:33,597 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC
[2023-04-03 01:02:33,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-04-03 01:02:33,597 INFO L138 SettingsManager]: * sizeof long=4
[2023-04-03 01:02:33,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * sizeof POINTER=4
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * sizeof long double=12
[2023-04-03 01:02:33,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * Use constant arrays=true
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-04-03 01:02:33,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-03 01:02:33,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2023-04-03 01:02:33,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-04-03 01:02:33,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-04-03 01:02:33,600 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2023-04-03 01:02:33,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-04-03 01:02:33,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-04-03 01:02:33,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-04-03 01:02:33,600 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain
[2023-04-03 01:02:33,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-04-03 01:02:33,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-04-03 01:02:33,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-04-03 01:02:33,804 INFO L271 PluginConnector]: Initializing CDTParser...
[2023-04-03 01:02:33,804 INFO L275 PluginConnector]: CDTParser initialized
[2023-04-03 01:02:33,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c
[2023-04-03 01:02:35,024 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2023-04-03 01:02:35,216 INFO L351 CDTParser]: Found 1 translation units.
[2023-04-03 01:02:35,217 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c
[2023-04-03 01:02:35,231 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3728d9c81/72f91cf5a5b84158863bf44c49569a1e/FLAGf7ffc0620
[2023-04-03 01:02:35,243 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3728d9c81/72f91cf5a5b84158863bf44c49569a1e
[2023-04-03 01:02:35,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-04-03 01:02:35,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2023-04-03 01:02:35,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-04-03 01:02:35,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-04-03 01:02:35,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-04-03 01:02:35,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb7982f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35, skipping insertion in model container
[2023-04-03 01:02:35,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2023-04-03 01:02:35,299 INFO L178 MainTranslator]: Built tables and reachable declarations
[2023-04-03 01:02:35,456 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_product42.cil.c[7477,7490]
[2023-04-03 01:02:35,540 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-04-03 01:02:35,557 INFO L203 MainTranslator]: Completed pre-run
[2023-04-03 01:02:35,604 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_product42.cil.c[7477,7490]
[2023-04-03 01:02:35,639 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-04-03 01:02:35,662 INFO L208 MainTranslator]: Completed translation
[2023-04-03 01:02:35,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35 WrapperNode
[2023-04-03 01:02:35,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-04-03 01:02:35,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-04-03 01:02:35,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2023-04-03 01:02:35,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2023-04-03 01:02:35,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,725 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-04-03 01:02:35,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-04-03 01:02:35,738 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2023-04-03 01:02:35,738 INFO L275 PluginConnector]: RCFGBuilder initialized
[2023-04-03 01:02:35,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (1/1) ...
[2023-04-03 01:02:35,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-04-03 01:02:35,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-04-03 01:02:35,771 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 01:02:35,775 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 01:02:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2023-04-03 01:02:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2023-04-03 01:02:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-04-03 01:02:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2023-04-03 01:02:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2023-04-03 01:02:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2023-04-03 01:02:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-04-03 01:02:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2023-04-03 01:02:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2023-04-03 01:02:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-04-03 01:02:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-04-03 01:02:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2023-04-03 01:02:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2023-04-03 01:02:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-04-03 01:02:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-04-03 01:02:35,951 INFO L236 CfgBuilder]: Building ICFG
[2023-04-03 01:02:35,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-04-03 01:02:36,545 INFO L277 CfgBuilder]: Performing block encoding
[2023-04-03 01:02:36,647 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-04-03 01:02:36,647 INFO L302 CfgBuilder]: Removed 5 assume(true) statements.
[2023-04-03 01:02:36,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:36 BoogieIcfgContainer
[2023-04-03 01:02:36,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-04-03 01:02:36,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-04-03 01:02:36,655 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2023-04-03 01:02:36,658 INFO L275 PluginConnector]: TraceAbstraction initialized
[2023-04-03 01:02:36,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:02:35" (1/3) ...
[2023-04-03 01:02:36,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194cf3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:36, skipping insertion in model container
[2023-04-03 01:02:36,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:02:35" (2/3) ...
[2023-04-03 01:02:36,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194cf3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:02:36, skipping insertion in model container
[2023-04-03 01:02:36,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:02:36" (3/3) ...
[2023-04-03 01:02:36,661 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c
[2023-04-03 01:02:36,678 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-04-03 01:02:36,678 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-04-03 01:02:36,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-04-03 01:02:36,740 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;@58e2707, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-04-03 01:02:36,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-04-03 01:02:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45)
[2023-04-03 01:02:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-04-03 01:02:36,755 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:36,755 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 01:02:36,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:36,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1185544218, now seen corresponding path program 1 times
[2023-04-03 01:02:36,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:36,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178829561]
[2023-04-03 01:02:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:36,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:37,023 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 01:02:37,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:37,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178829561]
[2023-04-03 01:02:37,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178829561] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:37,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:37,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-04-03 01:02:37,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108761452]
[2023-04-03 01:02:37,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:37,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-04-03 01:02:37,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:37,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-04-03 01:02:37,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-04-03 01:02:37,072 INFO L87 Difference]: Start difference. First operand has 141 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 77 states have internal predecessors, (82), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) 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 01:02:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:37,163 INFO L93 Difference]: Finished difference Result 215 states and 258 transitions.
[2023-04-03 01:02:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-04-03 01:02:37,166 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 01:02:37,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:37,175 INFO L225 Difference]: With dead ends: 215
[2023-04-03 01:02:37,175 INFO L226 Difference]: Without dead ends: 108
[2023-04-03 01:02:37,180 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 01:02:37,185 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:37,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-04-03 01:02:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2023-04-03 01:02:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108.
[2023-04-03 01:02:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 65 states have internal predecessors, (68), 30 states have call successors, (30), 26 states have call predecessors, (30), 21 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25)
[2023-04-03 01:02:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions.
[2023-04-03 01:02:37,249 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 47
[2023-04-03 01:02:37,250 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:37,250 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions.
[2023-04-03 01:02:37,250 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 01:02:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions.
[2023-04-03 01:02:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-04-03 01:02:37,253 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:37,253 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 01:02:37,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-04-03 01:02:37,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:37,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:37,254 INFO L85 PathProgramCache]: Analyzing trace with hash 211221434, now seen corresponding path program 1 times
[2023-04-03 01:02:37,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:37,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231696360]
[2023-04-03 01:02:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:37,411 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 01:02:37,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:37,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231696360]
[2023-04-03 01:02:37,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231696360] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:37,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:37,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-04-03 01:02:37,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487025867]
[2023-04-03 01:02:37,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:37,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-04-03 01:02:37,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:37,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-04-03 01:02:37,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-04-03 01:02:37,414 INFO L87 Difference]: Start difference. First operand 108 states and 123 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 01:02:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:37,470 INFO L93 Difference]: Finished difference Result 169 states and 192 transitions.
[2023-04-03 01:02:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-04-03 01:02:37,471 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 01:02:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:37,472 INFO L225 Difference]: With dead ends: 169
[2023-04-03 01:02:37,472 INFO L226 Difference]: Without dead ends: 100
[2023-04-03 01:02:37,473 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 01:02:37,474 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 9 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:37,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 181 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-04-03 01:02:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2023-04-03 01:02:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2023-04-03 01:02:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 60 states have internal predecessors, (62), 27 states have call successors, (27), 25 states have call predecessors, (27), 21 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23)
[2023-04-03 01:02:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions.
[2023-04-03 01:02:37,486 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 48
[2023-04-03 01:02:37,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:37,487 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions.
[2023-04-03 01:02:37,487 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 01:02:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions.
[2023-04-03 01:02:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2023-04-03 01:02:37,489 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:37,489 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 01:02:37,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-04-03 01:02:37,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:37,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2011014351, now seen corresponding path program 1 times
[2023-04-03 01:02:37,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:37,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863789088]
[2023-04-03 01:02:37,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:37,676 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 01:02:37,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863789088]
[2023-04-03 01:02:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863789088] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:37,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:37,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-04-03 01:02:37,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949016332]
[2023-04-03 01:02:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:37,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-04-03 01:02:37,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:37,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-04-03 01:02:37,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2023-04-03 01:02:37,678 INFO L87 Difference]: Start difference. First operand 100 states and 112 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 01:02:37,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:37,927 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions.
[2023-04-03 01:02:37,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-04-03 01:02:37,927 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 01:02:37,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:37,929 INFO L225 Difference]: With dead ends: 178
[2023-04-03 01:02:37,929 INFO L226 Difference]: Without dead ends: 100
[2023-04-03 01:02:37,930 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 01:02:37,931 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 101 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:37,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 272 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-04-03 01:02:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2023-04-03 01:02:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2023-04-03 01:02:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 51 states have (on average 1.196078431372549) internal successors, (61), 59 states have internal predecessors, (61), 27 states have call successors, (27), 25 states have call predecessors, (27), 21 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23)
[2023-04-03 01:02:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 111 transitions.
[2023-04-03 01:02:37,942 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 111 transitions. Word has length 51
[2023-04-03 01:02:37,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:37,943 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 111 transitions.
[2023-04-03 01:02:37,943 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 01:02:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions.
[2023-04-03 01:02:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2023-04-03 01:02:37,944 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:37,945 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]
[2023-04-03 01:02:37,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-04-03 01:02:37,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:37,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1193645220, now seen corresponding path program 1 times
[2023-04-03 01:02:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191577623]
[2023-04-03 01:02:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:37,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:38,010 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 01:02:38,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:38,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191577623]
[2023-04-03 01:02:38,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191577623] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:38,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:38,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-04-03 01:02:38,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085797443]
[2023-04-03 01:02:38,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:38,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-04-03 01:02:38,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:38,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-04-03 01:02:38,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-04-03 01:02:38,012 INFO L87 Difference]: Start difference. First operand 100 states and 111 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10)
[2023-04-03 01:02:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:38,308 INFO L93 Difference]: Finished difference Result 267 states and 312 transitions.
[2023-04-03 01:02:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-04-03 01:02:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 59
[2023-04-03 01:02:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:38,312 INFO L225 Difference]: With dead ends: 267
[2023-04-03 01:02:38,313 INFO L226 Difference]: Without dead ends: 189
[2023-04-03 01:02:38,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2023-04-03 01:02:38,315 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 162 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:38,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 128 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-04-03 01:02:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2023-04-03 01:02:38,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 172.
[2023-04-03 01:02:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 93 states have (on average 1.1935483870967742) internal successors, (111), 102 states have internal predecessors, (111), 40 states have call successors, (40), 39 states have call predecessors, (40), 38 states have return successors, (41), 37 states have call predecessors, (41), 36 states have call successors, (41)
[2023-04-03 01:02:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 192 transitions.
[2023-04-03 01:02:38,350 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 192 transitions. Word has length 59
[2023-04-03 01:02:38,350 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:38,350 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 192 transitions.
[2023-04-03 01:02:38,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10)
[2023-04-03 01:02:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 192 transitions.
[2023-04-03 01:02:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2023-04-03 01:02:38,359 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:38,360 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]
[2023-04-03 01:02:38,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-04-03 01:02:38,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:38,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash 958425720, now seen corresponding path program 1 times
[2023-04-03 01:02:38,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:38,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365696783]
[2023-04-03 01:02:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:38,606 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 01:02:38,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:38,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365696783]
[2023-04-03 01:02:38,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365696783] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:38,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:38,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-04-03 01:02:38,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489855132]
[2023-04-03 01:02:38,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:38,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-04-03 01:02:38,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:38,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-04-03 01:02:38,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-04-03 01:02:38,608 INFO L87 Difference]: Start difference. First operand 172 states and 192 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12)
[2023-04-03 01:02:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:38,769 INFO L93 Difference]: Finished difference Result 430 states and 496 transitions.
[2023-04-03 01:02:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-04-03 01:02:38,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 68
[2023-04-03 01:02:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:38,773 INFO L225 Difference]: With dead ends: 430
[2023-04-03 01:02:38,773 INFO L226 Difference]: Without dead ends: 280
[2023-04-03 01:02:38,775 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 01:02:38,776 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 66 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:38,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 414 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-04-03 01:02:38,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states.
[2023-04-03 01:02:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 270.
[2023-04-03 01:02:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 150 states have (on average 1.1933333333333334) internal successors, (179), 164 states have internal predecessors, (179), 60 states have call successors, (60), 58 states have call predecessors, (60), 59 states have return successors, (66), 58 states have call predecessors, (66), 56 states have call successors, (66)
[2023-04-03 01:02:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions.
[2023-04-03 01:02:38,816 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 68
[2023-04-03 01:02:38,817 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:38,817 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions.
[2023-04-03 01:02:38,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12)
[2023-04-03 01:02:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions.
[2023-04-03 01:02:38,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2023-04-03 01:02:38,818 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:38,819 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]
[2023-04-03 01:02:38,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-04-03 01:02:38,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:38,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash 325906268, now seen corresponding path program 1 times
[2023-04-03 01:02:38,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:38,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322242672]
[2023-04-03 01:02:38,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:38,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:39,186 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 01:02:39,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:39,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322242672]
[2023-04-03 01:02:39,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322242672] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:39,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:39,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-04-03 01:02:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071853326]
[2023-04-03 01:02:39,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:39,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-04-03 01:02:39,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:39,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-04-03 01:02:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2023-04-03 01:02:39,191 INFO L87 Difference]: Start difference. First operand 270 states and 305 transitions. Second operand has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13)
[2023-04-03 01:02:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:39,535 INFO L93 Difference]: Finished difference Result 535 states and 621 transitions.
[2023-04-03 01:02:39,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2023-04-03 01:02:39,535 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) Word has length 71
[2023-04-03 01:02:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:39,540 INFO L225 Difference]: With dead ends: 535
[2023-04-03 01:02:39,540 INFO L226 Difference]: Without dead ends: 385
[2023-04-03 01:02:39,541 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 01:02:39,548 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 313 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:39,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 952 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-04-03 01:02:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states.
[2023-04-03 01:02:39,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 365.
[2023-04-03 01:02:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 206 states have (on average 1.1941747572815533) internal successors, (246), 224 states have internal predecessors, (246), 79 states have call successors, (79), 76 states have call predecessors, (79), 79 states have return successors, (93), 79 states have call predecessors, (93), 75 states have call successors, (93)
[2023-04-03 01:02:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 418 transitions.
[2023-04-03 01:02:39,596 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 418 transitions. Word has length 71
[2023-04-03 01:02:39,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:39,596 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 418 transitions.
[2023-04-03 01:02:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (19), 3 states have call predecessors, (19), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13)
[2023-04-03 01:02:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 418 transitions.
[2023-04-03 01:02:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-04-03 01:02:39,598 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:39,598 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-03 01:02:39,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-04-03 01:02:39,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:39,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash 804179452, now seen corresponding path program 1 times
[2023-04-03 01:02:39,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:39,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725006724]
[2023-04-03 01:02:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:39,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-04-03 01:02:39,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:39,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725006724]
[2023-04-03 01:02:39,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725006724] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:39,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:39,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-04-03 01:02:39,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885892563]
[2023-04-03 01:02:39,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:39,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-04-03 01:02:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:39,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-04-03 01:02:39,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2023-04-03 01:02:39,749 INFO L87 Difference]: Start difference. First operand 365 states and 418 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15)
[2023-04-03 01:02:40,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:40,079 INFO L93 Difference]: Finished difference Result 852 states and 1012 transitions.
[2023-04-03 01:02:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2023-04-03 01:02:40,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15) Word has length 81
[2023-04-03 01:02:40,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:40,084 INFO L225 Difference]: With dead ends: 852
[2023-04-03 01:02:40,084 INFO L226 Difference]: Without dead ends: 509
[2023-04-03 01:02:40,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272
[2023-04-03 01:02:40,089 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 55 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:40,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1063 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-04-03 01:02:40,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states.
[2023-04-03 01:02:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491.
[2023-04-03 01:02:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 281 states have (on average 1.1708185053380782) internal successors, (329), 302 states have internal predecessors, (329), 108 states have call successors, (108), 103 states have call predecessors, (108), 101 states have return successors, (130), 103 states have call predecessors, (130), 104 states have call successors, (130)
[2023-04-03 01:02:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 567 transitions.
[2023-04-03 01:02:40,148 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 567 transitions. Word has length 81
[2023-04-03 01:02:40,149 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:40,149 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 567 transitions.
[2023-04-03 01:02:40,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (15), 6 states have call predecessors, (15), 3 states have call successors, (15)
[2023-04-03 01:02:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 567 transitions.
[2023-04-03 01:02:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2023-04-03 01:02:40,155 INFO L187 NwaCegarLoop]: Found error trace
[2023-04-03 01:02:40,155 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-03 01:02:40,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-04-03 01:02:40,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-04-03 01:02:40,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-04-03 01:02:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash -855049254, now seen corresponding path program 1 times
[2023-04-03 01:02:40,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-04-03 01:02:40,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31896058]
[2023-04-03 01:02:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-04-03 01:02:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-04-03 01:02:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-04-03 01:02:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-04-03 01:02:40,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-04-03 01:02:40,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31896058]
[2023-04-03 01:02:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31896058] provided 1 perfect and 0 imperfect interpolant sequences
[2023-04-03 01:02:40,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-04-03 01:02:40,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-04-03 01:02:40,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298617339]
[2023-04-03 01:02:40,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-04-03 01:02:40,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-04-03 01:02:40,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-04-03 01:02:40,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-04-03 01:02:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2023-04-03 01:02:40,305 INFO L87 Difference]: Start difference. First operand 491 states and 567 transitions. Second operand has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16)
[2023-04-03 01:02:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-04-03 01:02:40,508 INFO L93 Difference]: Finished difference Result 961 states and 1114 transitions.
[2023-04-03 01:02:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-04-03 01:02:40,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84
[2023-04-03 01:02:40,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-04-03 01:02:40,509 INFO L225 Difference]: With dead ends: 961
[2023-04-03 01:02:40,509 INFO L226 Difference]: Without dead ends: 0
[2023-04-03 01:02:40,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2023-04-03 01:02:40,512 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 85 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-04-03 01:02:40,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 943 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-04-03 01:02:40,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-04-03 01:02:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-04-03 01:02:40,514 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 01:02:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-04-03 01:02:40,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84
[2023-04-03 01:02:40,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-04-03 01:02:40,514 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-04-03 01:02:40,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16)
[2023-04-03 01:02:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-04-03 01:02:40,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-04-03 01:02:40,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-04-03 01:02:40,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-04-03 01:02:40,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 634) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point L624-2(lines 624 645) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 599 654) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 599 654) no Hoare annotation was computed.
[2023-04-03 01:02:42,346 INFO L899 garLoopResultBuilder]: For program point L646(lines 623 647) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point L700-1(line 700) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 655 714) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 691) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 655 714) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 655 714) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point L681-2(lines 681 706) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point L707(lines 680 708) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed.
[2023-04-03 01:02:42,347 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 537 545) the Hoare annotation is: true
[2023-04-03 01:02:42,347 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed.
[2023-04-03 01:02:42,348 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1)))
[2023-04-03 01:02:42,348 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1)))
[2023-04-03 01:02:42,349 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed.
[2023-04-03 01:02:42,349 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed.
[2023-04-03 01:02:42,349 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) 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 01:02:42,350 INFO L895 garLoopResultBuilder]: At program point L137(line 137) 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 01:02:42,350 INFO L895 garLoopResultBuilder]: At program point L136(line 136) 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 01:02:42,350 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) 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 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed.
[2023-04-03 01:02:42,350 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed.
[2023-04-03 01:02:42,351 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true
[2023-04-03 01:02:42,351 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 866 911) no Hoare annotation was computed.
[2023-04-03 01:02:42,352 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 866 911) no Hoare annotation was computed.
[2023-04-03 01:02:42,352 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 488 501) the Hoare annotation is: true
[2023-04-03 01:02:42,352 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 488 501) no Hoare annotation was computed.
[2023-04-03 01:02:42,352 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0)))
[2023-04-03 01:02:42,352 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 265 289) no Hoare annotation was computed.
[2023-04-03 01:02:42,352 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0))))))
[2023-04-03 01:02:42,352 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed.
[2023-04-03 01:02:42,352 INFO L895 garLoopResultBuilder]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (not (= 2 ~waterLevel~0)) (= 1 processEnvironment_~tmp~2))))))
[2023-04-03 01:02:42,352 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed.
[2023-04-03 01:02:42,353 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0)))
[2023-04-03 01:02:42,353 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed.
[2023-04-03 01:02:42,353 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed.
[2023-04-03 01:02:42,353 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0)))
[2023-04-03 01:02:42,353 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed.
[2023-04-03 01:02:42,353 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true
[2023-04-03 01:02:42,353 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 155 220) no Hoare annotation was computed.
[2023-04-03 01:02:42,353 INFO L895 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)))
[2023-04-03 01:02:42,353 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 155 220) 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 01:02:42,353 INFO L895 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1)))
[2023-04-03 01:02:42,354 INFO L899 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed.
[2023-04-03 01:02:42,354 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1)))
[2023-04-03 01:02:42,354 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed.
[2023-04-03 01:02:42,354 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1)))
[2023-04-03 01:02:42,354 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed.
[2023-04-03 01:02:42,354 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed.
[2023-04-03 01:02:42,354 INFO L895 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (and .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse1)))
[2023-04-03 01:02:42,354 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1)))
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 155 220) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 456 478) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 456 478) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 299 315) no Hoare annotation was computed.
[2023-04-03 01:02:42,355 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 299 315) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-04-03 01:02:42,356 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~3)) .cse1) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1)))
[2023-04-03 01:02:42,356 INFO L899 garLoopResultBuilder]: For program point L310-1(lines 299 315) no Hoare annotation was computed.
[2023-04-03 01:02:42,356 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed.
[2023-04-03 01:02:42,356 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 380 398) no Hoare annotation was computed.
[2023-04-03 01:02:42,356 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 380 398) the Hoare annotation is: true
[2023-04-03 01:02:42,356 INFO L902 garLoopResultBuilder]: At program point L387(line 387) the Hoare annotation is: true
[2023-04-03 01:02:42,356 INFO L899 garLoopResultBuilder]: For program point L387-1(line 387) no Hoare annotation was computed.
[2023-04-03 01:02:42,356 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 479 487) the Hoare annotation is: true
[2023-04-03 01:02:42,356 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 479 487) no Hoare annotation was computed.
[2023-04-03 01:02:42,356 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)) (or .cse1 (= ~pumpRunning~0 0) .cse0) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| 2))))
[2023-04-03 01:02:42,357 INFO L895 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (and .cse5 .cse7 .cse8 (not .cse3))) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not .cse8)) (.cse0 (not .cse7)) (.cse6 (not (= 2 ~waterLevel~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse2 .cse3 .cse0 .cse4) (or .cse2 .cse0 (and .cse5 .cse6) .cse4 .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)) (or .cse2 .cse0 .cse6 (= |old(~waterLevel~0)| 2)))))
[2023-04-03 01:02:42,357 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0)))
[2023-04-03 01:02:42,357 INFO L899 garLoopResultBuilder]: For program point L237(lines 236 255) no Hoare annotation was computed.
[2023-04-03 01:02:42,357 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed.
[2023-04-03 01:02:42,357 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 233 256) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (= |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or .cse0 .cse2 .cse1 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse6 .cse4 .cse0 .cse5) (or .cse6 (= ~pumpRunning~0 0) .cse0) (or .cse6 .cse0 .cse2 .cse3)))
[2023-04-03 01:02:42,357 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed.
[2023-04-03 01:02:42,357 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true
[2023-04-03 01:02:42,357 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 447 455) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 411 422) no Hoare annotation was computed.
[2023-04-03 01:02:42,358 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 411 422) the Hoare annotation is: true
[2023-04-03 01:02:42,358 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 399 406) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 399 406) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1)))
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 423 434) the Hoare annotation is: true
[2023-04-03 01:02:42,359 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 503 510) the Hoare annotation is: true
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 503 510) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 335 343) no Hoare annotation was computed.
[2023-04-03 01:02:42,359 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 343) the Hoare annotation is: true
[2023-04-03 01:02:42,359 INFO L899 garLoopResultBuilder]: For program point L374(line 374) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point L374-1(line 374) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 379) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 344 379) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 553 598) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 553 598) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) 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 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 324 334) no Hoare annotation was computed.
[2023-04-03 01:02:42,360 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 324 334) the Hoare annotation is: true
[2023-04-03 01:02:42,365 INFO L902 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: true
[2023-04-03 01:02:42,365 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed.
[2023-04-03 01:02:42,365 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 316 323) no Hoare annotation was computed.
[2023-04-03 01:02:42,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 316 323) no Hoare annotation was computed.
[2023-04-03 01:02:42,365 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 820 865) no Hoare annotation was computed.
[2023-04-03 01:02:42,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 820 865) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 290 297) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 290 297) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)))
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 513 522) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point L766-2(lines 766 786) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point L787(lines 765 788) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 762) no Hoare annotation was computed.
[2023-04-03 01:02:42,366 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 717 819) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 717 819) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L767(lines 766 786) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L798(line 798) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 804) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 717 819) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed.
[2023-04-03 01:02:42,367 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|)
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 435 446) the Hoare annotation is: true
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point L930-1(line 930) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 913 945) no Hoare annotation was computed.
[2023-04-03 01:02:42,368 INFO L895 garLoopResultBuilder]: At program point L926(line 926) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)))
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point L926-1(line 926) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 913 945) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L902 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: true
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 913 945) the Hoare annotation is: true
[2023-04-03 01:02:42,369 INFO L895 garLoopResultBuilder]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1) (or .cse1 (not (= ~pumpRunning~0 1))) (or .cse0 (= 2 ~waterLevel~0) .cse1)))
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1) (or .cse2 .cse1 (not (= ~pumpRunning~0 1))) (or .cse0 .cse2 .cse1)))
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed.
[2023-04-03 01:02:42,369 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true
[2023-04-03 01:02:42,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-04-03 01:02:42,370 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 01:02:42,370 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-04-03 01:02:42,370 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true
[2023-04-03 01:02:42,373 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2023-04-03 01:02:42,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-04-03 01:02:42,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:02:42 BoogieIcfgContainer
[2023-04-03 01:02:42,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-04-03 01:02:42,407 INFO L158 Benchmark]: Toolchain (without parser) took 7160.60ms. Allocated memory was 267.4MB in the beginning and 355.5MB in the end (delta: 88.1MB). Free memory was 223.2MB in the beginning and 173.9MB in the end (delta: 49.3MB). Peak memory consumption was 199.7MB. Max. memory is 8.0GB.
[2023-04-03 01:02:42,407 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-04-03 01:02:42,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.57ms. Allocated memory is still 267.4MB. Free memory was 223.2MB in the beginning and 204.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB.
[2023-04-03 01:02:42,408 INFO L158 Benchmark]: Boogie Preprocessor took 73.22ms. Allocated memory is still 267.4MB. Free memory was 204.8MB in the beginning and 201.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-04-03 01:02:42,408 INFO L158 Benchmark]: RCFGBuilder took 914.68ms. Allocated memory is still 267.4MB. Free memory was 201.2MB in the beginning and 196.5MB in the end (delta: 4.7MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB.
[2023-04-03 01:02:42,408 INFO L158 Benchmark]: TraceAbstraction took 5751.05ms. Allocated memory was 267.4MB in the beginning and 355.5MB in the end (delta: 88.1MB). Free memory was 196.0MB in the beginning and 173.9MB in the end (delta: 22.1MB). Peak memory consumption was 171.5MB. Max. memory is 8.0GB.
[2023-04-03 01:02:42,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 415.57ms. Allocated memory is still 267.4MB. Free memory was 223.2MB in the beginning and 204.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 73.22ms. Allocated memory is still 267.4MB. Free memory was 204.8MB in the beginning and 201.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 914.68ms. Allocated memory is still 267.4MB. Free memory was 201.2MB in the beginning and 196.5MB in the end (delta: 4.7MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB.
* TraceAbstraction took 5751.05ms. Allocated memory was 267.4MB in the beginning and 355.5MB in the end (delta: 88.1MB). Free memory was 196.0MB in the beginning and 173.9MB in the end (delta: 22.1MB). Peak memory consumption was 171.5MB. 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: 507]: 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, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 813 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 791 mSDsluCounter, 4070 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3244 mSDsCounter, 335 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1586 IncrementalHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 335 mSolverCounterUnsat, 826 mSDtfsCounter, 1586 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=7, InterpolantAutomatonStates: 65, 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, 65 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 874 PreInvPairs, 935 NumberOfFragments, 997 HoareAnnotationTreeSize, 874 FomulaSimplifications, 458 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 58 FomulaSimplificationsInter, 6025 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 509 NumberOfCodeBlocks, 509 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 501 ConstructedInterpolants, 0 QuantifiedInterpolants, 816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 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: 164]: Loop Invariant
Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)
- InvariantResult [Line: 52]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 165]: Loop Invariant
Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && !(methaneLevelCritical == 0))) || (((pumpRunning == 0 && splverifierCounter == 0) && !(2 == waterLevel)) && 1 == systemActive)
- InvariantResult [Line: 62]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2023-04-03 01:02:42,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...