/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 14:38:27,796 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 14:38:27,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 14:38:27,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 14:38:27,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 14:38:27,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 14:38:27,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 14:38:27,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 14:38:27,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 14:38:27,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 14:38:27,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 14:38:27,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 14:38:27,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 14:38:27,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 14:38:27,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 14:38:27,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 14:38:27,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 14:38:27,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 14:38:27,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 14:38:27,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 14:38:27,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 14:38:27,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 14:38:27,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 14:38:27,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 14:38:27,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 14:38:27,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 14:38:27,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 14:38:27,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 14:38:27,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 14:38:27,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 14:38:27,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 14:38:27,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 14:38:27,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 14:38:27,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 14:38:27,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 14:38:27,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 14:38:27,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 14:38:27,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 14:38:27,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 14:38:27,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 14:38:27,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 14:38:27,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 14:38:27,968 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 14:38:27,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 14:38:27,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 14:38:27,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 14:38:27,970 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 14:38:27,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 14:38:27,971 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 14:38:27,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 14:38:27,971 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 14:38:27,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 14:38:27,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 14:38:27,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 14:38:27,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 14:38:27,972 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 14:38:27,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 14:38:27,973 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 14:38:27,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 14:38:27,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 14:38:27,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 14:38:27,974 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 14:38:27,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 14:38:27,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 14:38:27,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 14:38:27,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 14:38:27,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 14:38:27,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 14:38:27,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 14:38:27,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 14:38:27,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 14:38:27,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false
[2020-09-24 14:38:28,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 14:38:28,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 14:38:28,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 14:38:28,487 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 14:38:28,487 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 14:38:28,489 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c
[2020-09-24 14:38:28,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c765501d/a53be8981ed240be8e94249b983517cd/FLAG167cad808
[2020-09-24 14:38:29,174 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 14:38:29,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c
[2020-09-24 14:38:29,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c765501d/a53be8981ed240be8e94249b983517cd/FLAG167cad808
[2020-09-24 14:38:29,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c765501d/a53be8981ed240be8e94249b983517cd
[2020-09-24 14:38:29,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 14:38:29,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 14:38:29,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 14:38:29,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 14:38:29,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 14:38:29,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:38:29" (1/1) ...
[2020-09-24 14:38:29,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c408251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:29, skipping insertion in model container
[2020-09-24 14:38:29,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:38:29" (1/1) ...
[2020-09-24 14:38:29,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 14:38:29,543 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 14:38:30,021 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:38:30,036 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 14:38:30,125 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 14:38:30,165 INFO L208 MainTranslator]: Completed translation
[2020-09-24 14:38:30,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30 WrapperNode
[2020-09-24 14:38:30,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 14:38:30,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 14:38:30,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 14:38:30,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 14:38:30,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
[2020-09-24 14:38:30,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 14:38:30,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 14:38:30,277 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 14:38:30,277 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 14:38:30,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 14:38:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 14:38:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 14:38:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-24 14:38:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-24 14:38:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-24 14:38:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-24 14:38:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-24 14:38:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-24 14:38:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-24 14:38:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-24 14:38:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-24 14:38:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-24 14:38:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-24 14:38:30,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-24 14:38:30,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-24 14:38:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-24 14:38:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-24 14:38:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-24 14:38:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-24 14:38:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-24 14:38:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-24 14:38:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-24 14:38:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-24 14:38:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-24 14:38:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-24 14:38:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-24 14:38:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-24 14:38:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-24 14:38:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-24 14:38:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-24 14:38:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-24 14:38:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-24 14:38:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-24 14:38:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-24 14:38:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-24 14:38:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-24 14:38:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 14:38:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 14:38:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-24 14:38:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-24 14:38:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-24 14:38:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-24 14:38:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-24 14:38:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-24 14:38:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-24 14:38:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-24 14:38:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-24 14:38:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-24 14:38:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-24 14:38:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-24 14:38:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-24 14:38:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 14:38:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-24 14:38:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 14:38:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-24 14:38:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-24 14:38:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 14:38:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 14:38:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 14:38:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 14:38:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-24 14:38:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 14:38:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-24 14:38:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-24 14:38:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-24 14:38:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 14:38:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-24 14:38:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 14:38:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 14:38:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 14:38:31,613 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 14:38:31,613 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-24 14:38:31,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:38:31 BoogieIcfgContainer
[2020-09-24 14:38:31,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 14:38:31,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 14:38:31,623 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 14:38:31,627 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 14:38:31,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:38:29" (1/3) ...
[2020-09-24 14:38:31,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17812eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:38:31, skipping insertion in model container
[2020-09-24 14:38:31,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:38:30" (2/3) ...
[2020-09-24 14:38:31,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17812eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:38:31, skipping insertion in model container
[2020-09-24 14:38:31,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:38:31" (3/3) ...
[2020-09-24 14:38:31,631 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c
[2020-09-24 14:38:31,643 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 14:38:31,656 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 14:38:31,681 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 14:38:31,717 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 14:38:31,717 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 14:38:31,718 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 14:38:31,718 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 14:38:31,718 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 14:38:31,718 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 14:38:31,718 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 14:38:31,718 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 14:38:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states.
[2020-09-24 14:38:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-24 14:38:31,770 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:31,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:31,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:31,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1497316138, now seen corresponding path program 1 times
[2020-09-24 14:38:31,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:31,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494433420]
[2020-09-24 14:38:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,682 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 14:38:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-24 14:38:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:32,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494433420]
[2020-09-24 14:38:32,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:32,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 14:38:32,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938745310]
[2020-09-24 14:38:32,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 14:38:32,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:32,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 14:38:32,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:38:32,910 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 3 states.
[2020-09-24 14:38:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:38:34,317 INFO L93 Difference]: Finished difference Result 503 states and 599 transitions.
[2020-09-24 14:38:34,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 14:38:34,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-09-24 14:38:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:38:34,355 INFO L225 Difference]: With dead ends: 503
[2020-09-24 14:38:34,355 INFO L226 Difference]: Without dead ends: 310
[2020-09-24 14:38:34,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 14:38:34,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states.
[2020-09-24 14:38:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 267.
[2020-09-24 14:38:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states.
[2020-09-24 14:38:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 291 transitions.
[2020-09-24 14:38:34,491 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 291 transitions. Word has length 142
[2020-09-24 14:38:34,492 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:38:34,492 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 291 transitions.
[2020-09-24 14:38:34,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 14:38:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 291 transitions.
[2020-09-24 14:38:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-09-24 14:38:34,497 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:34,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:34,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 14:38:34,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:34,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:34,499 INFO L82 PathProgramCache]: Analyzing trace with hash -316918305, now seen corresponding path program 1 times
[2020-09-24 14:38:34,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:34,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059902206]
[2020-09-24 14:38:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:34,974 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:34,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-24 14:38:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-24 14:38:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:35,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059902206]
[2020-09-24 14:38:35,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:35,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 14:38:35,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077089999]
[2020-09-24 14:38:35,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 14:38:35,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:35,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 14:38:35,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 14:38:35,101 INFO L87 Difference]: Start difference. First operand 267 states and 291 transitions. Second operand 4 states.
[2020-09-24 14:38:35,725 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:36,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:38:36,816 INFO L93 Difference]: Finished difference Result 414 states and 466 transitions.
[2020-09-24 14:38:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 14:38:36,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-09-24 14:38:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:38:36,822 INFO L225 Difference]: With dead ends: 414
[2020-09-24 14:38:36,822 INFO L226 Difference]: Without dead ends: 293
[2020-09-24 14:38:36,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-24 14:38:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2020-09-24 14:38:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 257.
[2020-09-24 14:38:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states.
[2020-09-24 14:38:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 278 transitions.
[2020-09-24 14:38:36,864 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 278 transitions. Word has length 143
[2020-09-24 14:38:36,864 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:38:36,865 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 278 transitions.
[2020-09-24 14:38:36,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 14:38:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions.
[2020-09-24 14:38:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-09-24 14:38:36,868 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:36,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:36,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 14:38:36,869 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:36,869 INFO L82 PathProgramCache]: Analyzing trace with hash -816638074, now seen corresponding path program 1 times
[2020-09-24 14:38:36,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:36,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857367345]
[2020-09-24 14:38:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,451 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:37,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-24 14:38:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-24 14:38:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:37,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857367345]
[2020-09-24 14:38:37,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:37,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 14:38:37,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118760881]
[2020-09-24 14:38:37,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 14:38:37,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:37,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 14:38:37,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-24 14:38:37,762 INFO L87 Difference]: Start difference. First operand 257 states and 278 transitions. Second operand 9 states.
[2020-09-24 14:38:38,488 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:38:38,967 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:38:39,209 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-24 14:38:39,490 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:39,804 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:38:40,133 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:41,059 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:43,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:38:43,464 INFO L93 Difference]: Finished difference Result 682 states and 785 transitions.
[2020-09-24 14:38:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-24 14:38:43,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152
[2020-09-24 14:38:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:38:43,475 INFO L225 Difference]: With dead ends: 682
[2020-09-24 14:38:43,476 INFO L226 Difference]: Without dead ends: 535
[2020-09-24 14:38:43,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2020-09-24 14:38:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states.
[2020-09-24 14:38:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 468.
[2020-09-24 14:38:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states.
[2020-09-24 14:38:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 524 transitions.
[2020-09-24 14:38:43,585 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 524 transitions. Word has length 152
[2020-09-24 14:38:43,585 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:38:43,585 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 524 transitions.
[2020-09-24 14:38:43,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 14:38:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 524 transitions.
[2020-09-24 14:38:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-09-24 14:38:43,589 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:43,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:43,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 14:38:43,590 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:43,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:43,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1954752290, now seen corresponding path program 1 times
[2020-09-24 14:38:43,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:43,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367113808]
[2020-09-24 14:38:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,002 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-24 14:38:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-24 14:38:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-24 14:38:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:44,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367113808]
[2020-09-24 14:38:44,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:44,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-24 14:38:44,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339982767]
[2020-09-24 14:38:44,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-24 14:38:44,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:44,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-24 14:38:44,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-24 14:38:44,166 INFO L87 Difference]: Start difference. First operand 468 states and 524 transitions. Second operand 9 states.
[2020-09-24 14:38:44,678 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:38:46,093 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:46,461 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:38:46,926 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:47,247 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:38:47,557 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:38:47,852 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:48,157 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:48,700 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:49,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:38:49,794 INFO L93 Difference]: Finished difference Result 1299 states and 1554 transitions.
[2020-09-24 14:38:49,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-24 14:38:49,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161
[2020-09-24 14:38:49,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:38:49,804 INFO L225 Difference]: With dead ends: 1299
[2020-09-24 14:38:49,804 INFO L226 Difference]: Without dead ends: 941
[2020-09-24 14:38:49,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-24 14:38:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states.
[2020-09-24 14:38:49,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 787.
[2020-09-24 14:38:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states.
[2020-09-24 14:38:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 894 transitions.
[2020-09-24 14:38:49,932 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 894 transitions. Word has length 161
[2020-09-24 14:38:49,932 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:38:49,932 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 894 transitions.
[2020-09-24 14:38:49,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-24 14:38:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 894 transitions.
[2020-09-24 14:38:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-09-24 14:38:49,936 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:49,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:49,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 14:38:49,937 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:49,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:49,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2058158355, now seen corresponding path program 1 times
[2020-09-24 14:38:49,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:49,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849164513]
[2020-09-24 14:38:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,333 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:50,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 14:38:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-09-24 14:38:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-24 14:38:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-24 14:38:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:50,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849164513]
[2020-09-24 14:38:50,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:50,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-24 14:38:50,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531901844]
[2020-09-24 14:38:50,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-24 14:38:50,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:50,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-24 14:38:50,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-24 14:38:50,600 INFO L87 Difference]: Start difference. First operand 787 states and 894 transitions. Second operand 10 states.
[2020-09-24 14:38:51,178 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:38:52,445 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:52,779 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:38:53,131 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:53,476 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 14:38:53,808 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:54,379 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:38:54,683 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:55,112 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:56,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:38:56,244 INFO L93 Difference]: Finished difference Result 2028 states and 2497 transitions.
[2020-09-24 14:38:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-09-24 14:38:56,245 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166
[2020-09-24 14:38:56,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:38:56,255 INFO L225 Difference]: With dead ends: 2028
[2020-09-24 14:38:56,255 INFO L226 Difference]: Without dead ends: 1351
[2020-09-24 14:38:56,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-24 14:38:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states.
[2020-09-24 14:38:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1089.
[2020-09-24 14:38:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states.
[2020-09-24 14:38:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1257 transitions.
[2020-09-24 14:38:56,444 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1257 transitions. Word has length 166
[2020-09-24 14:38:56,444 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:38:56,444 INFO L479 AbstractCegarLoop]: Abstraction has 1089 states and 1257 transitions.
[2020-09-24 14:38:56,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-24 14:38:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1257 transitions.
[2020-09-24 14:38:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-24 14:38:56,448 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:38:56,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:38:56,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 14:38:56,449 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:38:56,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:38:56,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1232487903, now seen corresponding path program 1 times
[2020-09-24 14:38:56,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:38:56,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419856004]
[2020-09-24 14:38:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:38:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,852 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:38:56,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:38:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:38:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:38:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:38:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:38:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 14:38:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-24 14:38:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:38:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:56,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:38:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-24 14:38:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 14:38:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:57,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2020-09-24 14:38:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183
[2020-09-24 14:38:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:38:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:38:57,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419856004]
[2020-09-24 14:38:57,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:38:57,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2020-09-24 14:38:57,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937241992]
[2020-09-24 14:38:57,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-09-24 14:38:57,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:38:57,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-09-24 14:38:57,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156
[2020-09-24 14:38:57,117 INFO L87 Difference]: Start difference. First operand 1089 states and 1257 transitions. Second operand 13 states.
[2020-09-24 14:38:57,786 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:38:58,091 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-24 14:38:58,394 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:58,696 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:38:58,980 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:38:59,958 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:39:00,245 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:39:00,572 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:39:00,923 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:39:01,237 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:39:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:39:02,873 INFO L93 Difference]: Finished difference Result 2484 states and 3093 transitions.
[2020-09-24 14:39:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-09-24 14:39:02,874 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195
[2020-09-24 14:39:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:39:02,884 INFO L225 Difference]: With dead ends: 2484
[2020-09-24 14:39:02,884 INFO L226 Difference]: Without dead ends: 1505
[2020-09-24 14:39:02,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552
[2020-09-24 14:39:02,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states.
[2020-09-24 14:39:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1119.
[2020-09-24 14:39:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states.
[2020-09-24 14:39:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1289 transitions.
[2020-09-24 14:39:03,061 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1289 transitions. Word has length 195
[2020-09-24 14:39:03,062 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:39:03,062 INFO L479 AbstractCegarLoop]: Abstraction has 1119 states and 1289 transitions.
[2020-09-24 14:39:03,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-09-24 14:39:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1289 transitions.
[2020-09-24 14:39:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-24 14:39:03,067 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:39:03,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:39:03,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 14:39:03,067 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:39:03,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:39:03,068 INFO L82 PathProgramCache]: Analyzing trace with hash -258617727, now seen corresponding path program 1 times
[2020-09-24 14:39:03,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:39:03,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881090087]
[2020-09-24 14:39:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:39:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,427 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:39:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:39:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:39:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:39:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:39:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:39:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 14:39:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-24 14:39:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:39:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:39:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-24 14:39:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 14:39:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2020-09-24 14:39:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183
[2020-09-24 14:39:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:39:03,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881090087]
[2020-09-24 14:39:03,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:39:03,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-24 14:39:03,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910113156]
[2020-09-24 14:39:03,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-24 14:39:03,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:39:03,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-24 14:39:03,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-24 14:39:03,656 INFO L87 Difference]: Start difference. First operand 1119 states and 1289 transitions. Second operand 10 states.
[2020-09-24 14:39:05,066 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 14:39:05,380 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-24 14:39:05,706 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-24 14:39:06,027 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:39:06,366 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-24 14:39:06,655 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 14:39:07,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:39:07,892 INFO L93 Difference]: Finished difference Result 2526 states and 3082 transitions.
[2020-09-24 14:39:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-24 14:39:07,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195
[2020-09-24 14:39:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:39:07,902 INFO L225 Difference]: With dead ends: 2526
[2020-09-24 14:39:07,902 INFO L226 Difference]: Without dead ends: 1517
[2020-09-24 14:39:07,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2020-09-24 14:39:07,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states.
[2020-09-24 14:39:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1151.
[2020-09-24 14:39:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states.
[2020-09-24 14:39:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1321 transitions.
[2020-09-24 14:39:08,067 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1321 transitions. Word has length 195
[2020-09-24 14:39:08,067 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:39:08,067 INFO L479 AbstractCegarLoop]: Abstraction has 1151 states and 1321 transitions.
[2020-09-24 14:39:08,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-24 14:39:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1321 transitions.
[2020-09-24 14:39:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-24 14:39:08,072 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:39:08,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:39:08,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 14:39:08,073 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:39:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:39:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1422185412, now seen corresponding path program 1 times
[2020-09-24 14:39:08,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:39:08,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905552592]
[2020-09-24 14:39:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:39:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,422 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 14:39:08,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 14:39:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 14:39:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 14:39:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 14:39:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 14:39:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-24 14:39:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-24 14:39:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:39:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-24 14:39:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-24 14:39:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 14:39:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2020-09-24 14:39:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183
[2020-09-24 14:39:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 14:39:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 14:39:08,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905552592]
[2020-09-24 14:39:08,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 14:39:08,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 14:39:08,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706005255]
[2020-09-24 14:39:08,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 14:39:08,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 14:39:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 14:39:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-24 14:39:08,647 INFO L87 Difference]: Start difference. First operand 1151 states and 1321 transitions. Second operand 7 states.
[2020-09-24 14:39:09,182 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:39:09,791 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 14:39:12,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 14:39:12,734 INFO L93 Difference]: Finished difference Result 3852 states and 4799 transitions.
[2020-09-24 14:39:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-09-24 14:39:12,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195
[2020-09-24 14:39:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 14:39:12,751 INFO L225 Difference]: With dead ends: 3852
[2020-09-24 14:39:12,751 INFO L226 Difference]: Without dead ends: 2811
[2020-09-24 14:39:12,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240
[2020-09-24 14:39:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states.
[2020-09-24 14:39:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2307.
[2020-09-24 14:39:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states.
[2020-09-24 14:39:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2677 transitions.
[2020-09-24 14:39:13,048 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2677 transitions. Word has length 195
[2020-09-24 14:39:13,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 14:39:13,049 INFO L479 AbstractCegarLoop]: Abstraction has 2307 states and 2677 transitions.
[2020-09-24 14:39:13,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 14:39:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2677 transitions.
[2020-09-24 14:39:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-09-24 14:39:13,054 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 14:39:13,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 14:39:13,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 14:39:13,055 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 14:39:13,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 14:39:13,055 INFO L82 PathProgramCache]: Analyzing trace with hash -921073071, now seen corresponding path program 1 times
[2020-09-24 14:39:13,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 14:39:13,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001489323]
[2020-09-24 14:39:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 14:39:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 14:39:13,152 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 14:39:13,153 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 14:39:13,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 14:39:13,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 02:39:13 BoogieIcfgContainer
[2020-09-24 14:39:13,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 14:39:13,202 INFO L168 Benchmark]: Toolchain (without parser) took 43737.97 ms. Allocated memory was 140.0 MB in the beginning and 747.6 MB in the end (delta: 607.6 MB). Free memory was 101.8 MB in the beginning and 480.1 MB in the end (delta: -378.4 MB). Peak memory consumption was 229.3 MB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,206 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.61 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 101.3 MB in the beginning and 166.7 MB in the end (delta: -65.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,213 INFO L168 Benchmark]: Boogie Preprocessor took 109.60 ms. Allocated memory is still 200.8 MB. Free memory was 166.7 MB in the beginning and 161.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,214 INFO L168 Benchmark]: RCFGBuilder took 1344.90 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 161.9 MB in the beginning and 168.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,217 INFO L168 Benchmark]: TraceAbstraction took 41577.12 ms. Allocated memory was 235.9 MB in the beginning and 747.6 MB in the end (delta: 511.7 MB). Free memory was 168.7 MB in the beginning and 480.1 MB in the end (delta: -311.4 MB). Peak memory consumption was 200.3 MB. Max. memory is 7.1 GB.
[2020-09-24 14:39:13,226 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 696.61 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 101.3 MB in the beginning and 166.7 MB in the end (delta: -65.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 109.60 ms. Allocated memory is still 200.8 MB. Free memory was 166.7 MB in the beginning and 161.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1344.90 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 161.9 MB in the beginning and 168.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 41577.12 ms. Allocated memory was 235.9 MB in the beginning and 747.6 MB in the end (delta: 511.7 MB). Free memory was 168.7 MB in the beginning and 480.1 MB in the end (delta: -311.4 MB). Peak memory consumption was 200.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L121] int pumpRunning = 0;
[L122] int systemActive = 1;
[L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L773] int cleanupTimeShifts = 4;
[L870] int waterLevel = 1;
[L871] int methaneLevelCritical = 0;
[L846] int retValue_acc ;
[L847] int tmp ;
[L851] FCALL select_helpers()
[L852] FCALL select_features()
[L853] CALL, EXPR valid_product()
[L738] int retValue_acc ;
[L741] retValue_acc = 1
[L742] return (retValue_acc);
[L853] RET, EXPR valid_product()
[L853] tmp = valid_product()
[L855] COND TRUE \read(tmp)
[L857] FCALL setup()
[L858] CALL runTest()
[L840] CALL test()
[L46] int splverifierCounter ;
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
[L50] int tmp___2 ;
[L53] splverifierCounter = 0
[L55] COND TRUE 1
[L57] COND TRUE splverifierCounter < 4
[L63] tmp = __VERIFIER_nondet_int()
[L65] COND TRUE \read(tmp)
[L67] CALL waterRise()
[L888] COND TRUE waterLevel < 2
[L889] waterLevel = waterLevel + 1
[L67] RET waterRise()
[L73] tmp___0 = __VERIFIER_nondet_int()
[L75] COND TRUE \read(tmp___0)
[L77] CALL changeMethaneLevel()
[L900] COND FALSE !(\read(methaneLevelCritical))
[L903] methaneLevelCritical = 1
[L77] RET changeMethaneLevel()
[L83] tmp___2 = __VERIFIER_nondet_int()
[L85] COND TRUE \read(tmp___2)
[L100] CALL timeShift()
[L129] COND FALSE !(\read(pumpRunning))
[L136] COND TRUE \read(systemActive)
[L138] CALL processEnvironment()
[L184] int tmp ;
[L187] COND FALSE !(\read(pumpRunning))
[L202] CALL processEnvironment__wrappee__highWaterSensor()
[L158] int tmp ;
[L161] COND TRUE ! pumpRunning
[L163] CALL, EXPR isHighWaterLevel()
[L281] int retValue_acc ;
[L282] int tmp ;
[L283] int tmp___0 ;
[L287] CALL, EXPR isHighWaterSensorDry()
[L950] int retValue_acc ;
[L953] COND FALSE !(waterLevel < 2)
[L957] retValue_acc = 0
[L958] return (retValue_acc);
[L287] RET, EXPR isHighWaterSensorDry()
[L287] tmp = isHighWaterSensorDry()
[L289] COND FALSE !(\read(tmp))
[L292] tmp___0 = 1
[L294] retValue_acc = tmp___0
[L295] return (retValue_acc);
[L163] RET, EXPR isHighWaterLevel()
[L163] tmp = isHighWaterLevel()
[L165] COND TRUE \read(tmp)
[L167] CALL activatePump()
[L212] pumpRunning = 1
[L167] RET activatePump()
[L202] RET processEnvironment__wrappee__highWaterSensor()
[L138] RET processEnvironment()
[L144] CALL __utac_acc__Specification1_spec__1()
[L748] int tmp ;
[L749] int tmp___0 ;
[L753] CALL, EXPR isMethaneLevelCritical()
[L909] int retValue_acc ;
[L912] retValue_acc = methaneLevelCritical
[L913] return (retValue_acc);
[L753] RET, EXPR isMethaneLevelCritical()
[L753] tmp = isMethaneLevelCritical()
[L755] COND TRUE \read(tmp)
[L757] CALL, EXPR isPumpRunning()
[L236] int retValue_acc ;
[L239] retValue_acc = pumpRunning
[L240] return (retValue_acc);
[L757] RET, EXPR isPumpRunning()
[L757] tmp___0 = isPumpRunning()
[L759] COND TRUE \read(tmp___0)
[L761] CALL __automaton_fail()
[L704] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 41 procedures, 643 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 41.4s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 34.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2033 SDtfs, 3657 SDslu, 3703 SDs, 0 SdLazy, 8297 SolverSat, 1122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 188 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2307occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 1818 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1549 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1341 ConstructedInterpolants, 0 QuantifiedInterpolants, 577738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...