/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-07 04:10:14,425 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-07 04:10:14,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-07 04:10:14,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-07 04:10:14,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-07 04:10:14,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-07 04:10:14,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-07 04:10:14,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-07 04:10:14,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-07 04:10:14,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-07 04:10:14,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-07 04:10:14,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-07 04:10:14,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-07 04:10:14,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-07 04:10:14,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-07 04:10:14,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-07 04:10:14,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-07 04:10:14,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-07 04:10:14,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-07 04:10:14,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-07 04:10:14,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-07 04:10:14,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-07 04:10:14,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-07 04:10:14,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-07 04:10:14,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-07 04:10:14,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-07 04:10:14,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-07 04:10:14,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-07 04:10:14,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-07 04:10:14,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-07 04:10:14,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-07 04:10:14,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-07 04:10:14,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-07 04:10:14,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-07 04:10:14,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-07 04:10:14,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-07 04:10:14,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-07 04:10:14,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-07 04:10:14,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-07 04:10:14,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-07 04:10:14,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-07 04:10:14,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-11-07 04:10:14,591 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-07 04:10:14,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-07 04:10:14,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-07 04:10:14,593 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-07 04:10:14,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-07 04:10:14,594 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-07 04:10:14,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-07 04:10:14,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-07 04:10:14,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-07 04:10:14,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-07 04:10:14,595 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-07 04:10:14,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-07 04:10:14,595 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-07 04:10:14,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-07 04:10:14,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-07 04:10:14,596 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-11-07 04:10:14,596 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-07 04:10:14,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-07 04:10:14,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-07 04:10:14,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-07 04:10:14,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-11-07 04:10:14,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-07 04:10:14,597 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-11-07 04:10:14,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-07 04:10:15,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-07 04:10:15,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-07 04:10:15,021 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-07 04:10:15,022 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-07 04:10:15,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-11-07 04:10:15,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d2eddd32/769fd6a0b89f44199f0edd6c03bd66da/FLAGeb2c524a5
[2020-11-07 04:10:15,676 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-07 04:10:15,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c
[2020-11-07 04:10:15,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d2eddd32/769fd6a0b89f44199f0edd6c03bd66da/FLAGeb2c524a5
[2020-11-07 04:10:16,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d2eddd32/769fd6a0b89f44199f0edd6c03bd66da
[2020-11-07 04:10:16,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-07 04:10:16,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-07 04:10:16,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-07 04:10:16,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-07 04:10:16,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-07 04:10:16,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65318d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16, skipping insertion in model container
[2020-11-07 04:10:16,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-07 04:10:16,118 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-07 04:10:16,479 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 04:10:16,491 INFO L203 MainTranslator]: Completed pre-run
[2020-11-07 04:10:16,645 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-07 04:10:16,693 INFO L208 MainTranslator]: Completed translation
[2020-11-07 04:10:16,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16 WrapperNode
[2020-11-07 04:10:16,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-07 04:10:16,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-07 04:10:16,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-07 04:10:16,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-07 04:10:16,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
[2020-11-07 04:10:16,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-07 04:10:16,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-07 04:10:16,841 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-07 04:10:16,841 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-07 04:10:16,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-11-07 04:10:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-07 04:10:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-07 04:10:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-11-07 04:10:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-07 04:10:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-11-07 04:10:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-11-07 04:10:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-11-07 04:10:16,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-11-07 04:10:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-11-07 04:10:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-11-07 04:10:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-11-07 04:10:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-11-07 04:10:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-11-07 04:10:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-11-07 04:10:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-07 04:10:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-11-07 04:10:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-11-07 04:10:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-11-07 04:10:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-11-07 04:10:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-11-07 04:10:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-11-07 04:10:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-11-07 04:10:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-11-07 04:10:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-11-07 04:10:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-11-07 04:10:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-11-07 04:10:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-11-07 04:10:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-07 04:10:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-07 04:10:16,927 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-11-07 04:10:16,928 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-11-07 04:10:16,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-11-07 04:10:16,930 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-11-07 04:10:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-11-07 04:10:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-07 04:10:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-11-07 04:10:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-11-07 04:10:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-11-07 04:10:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-07 04:10:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-07 04:10:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-07 04:10:18,449 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-07 04:10:18,450 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-07 04:10:18,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:10:18 BoogieIcfgContainer
[2020-11-07 04:10:18,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-07 04:10:18,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-07 04:10:18,458 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-07 04:10:18,461 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-07 04:10:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:10:16" (1/3) ...
[2020-11-07 04:10:18,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5df3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:10:18, skipping insertion in model container
[2020-11-07 04:10:18,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:10:16" (2/3) ...
[2020-11-07 04:10:18,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5df3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:10:18, skipping insertion in model container
[2020-11-07 04:10:18,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:10:18" (3/3) ...
[2020-11-07 04:10:18,465 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c
[2020-11-07 04:10:18,481 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-11-07 04:10:18,486 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-11-07 04:10:18,499 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-11-07 04:10:18,538 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-07 04:10:18,538 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-07 04:10:18,539 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-11-07 04:10:18,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-07 04:10:18,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-07 04:10:18,539 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-07 04:10:18,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-07 04:10:18,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-07 04:10:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states.
[2020-11-07 04:10:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-11-07 04:10:18,622 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:18,623 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]
[2020-11-07 04:10:18,624 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:18,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2007921892, now seen corresponding path program 1 times
[2020-11-07 04:10:18,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:18,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490356613]
[2020-11-07 04:10:18,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:19,890 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 04:10:19,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 04:10:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 04:10:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 04:10:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 04:10:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 04:10:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-11-07 04:10:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 04:10:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-11-07 04:10:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 04:10:20,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490356613]
[2020-11-07 04:10:20,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 04:10:20,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-07 04:10:20,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955704199]
[2020-11-07 04:10:20,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-07 04:10:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 04:10:20,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-07 04:10:20,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 04:10:20,118 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 3 states.
[2020-11-07 04:10:21,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 04:10:21,727 INFO L93 Difference]: Finished difference Result 423 states and 506 transitions.
[2020-11-07 04:10:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-07 04:10:21,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159
[2020-11-07 04:10:21,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 04:10:21,753 INFO L225 Difference]: With dead ends: 423
[2020-11-07 04:10:21,754 INFO L226 Difference]: Without dead ends: 269
[2020-11-07 04:10:21,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-07 04:10:21,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2020-11-07 04:10:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 230.
[2020-11-07 04:10:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-11-07 04:10:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 248 transitions.
[2020-11-07 04:10:22,004 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 248 transitions. Word has length 159
[2020-11-07 04:10:22,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 04:10:22,007 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 248 transitions.
[2020-11-07 04:10:22,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-07 04:10:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions.
[2020-11-07 04:10:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-11-07 04:10:22,022 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:22,022 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]
[2020-11-07 04:10:22,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-07 04:10:22,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:22,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:22,024 INFO L82 PathProgramCache]: Analyzing trace with hash -815696678, now seen corresponding path program 1 times
[2020-11-07 04:10:22,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:22,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460793020]
[2020-11-07 04:10:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,585 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 04:10:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 04:10:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 04:10:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 04:10:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 04:10:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 04:10:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-11-07 04:10:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-11-07 04:10:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-11-07 04:10:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 04:10:22,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460793020]
[2020-11-07 04:10:22,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 04:10:22,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-07 04:10:22,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514110227]
[2020-11-07 04:10:22,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-07 04:10:22,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 04:10:22,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-07 04:10:22,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-07 04:10:22,700 INFO L87 Difference]: Start difference. First operand 230 states and 248 transitions. Second operand 4 states.
[2020-11-07 04:10:23,505 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-07 04:10:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 04:10:24,431 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions.
[2020-11-07 04:10:24,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-07 04:10:24,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-11-07 04:10:24,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 04:10:24,435 INFO L225 Difference]: With dead ends: 337
[2020-11-07 04:10:24,435 INFO L226 Difference]: Without dead ends: 252
[2020-11-07 04:10:24,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-11-07 04:10:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2020-11-07 04:10:24,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220.
[2020-11-07 04:10:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-11-07 04:10:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 235 transitions.
[2020-11-07 04:10:24,539 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 235 transitions. Word has length 160
[2020-11-07 04:10:24,540 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 04:10:24,540 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 235 transitions.
[2020-11-07 04:10:24,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-07 04:10:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 235 transitions.
[2020-11-07 04:10:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2020-11-07 04:10:24,543 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:24,543 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]
[2020-11-07 04:10:24,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-07 04:10:24,544 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:24,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:24,544 INFO L82 PathProgramCache]: Analyzing trace with hash -106407251, now seen corresponding path program 1 times
[2020-11-07 04:10:24,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:24,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730620929]
[2020-11-07 04:10:24,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,108 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 04:10:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 04:10:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 04:10:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 04:10:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 04:10:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 04:10:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-11-07 04:10:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-11-07 04:10:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-11-07 04:10:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 04:10:25,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730620929]
[2020-11-07 04:10:25,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 04:10:25,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-11-07 04:10:25,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081511026]
[2020-11-07 04:10:25,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-11-07 04:10:25,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 04:10:25,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-11-07 04:10:25,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-11-07 04:10:25,289 INFO L87 Difference]: Start difference. First operand 220 states and 235 transitions. Second operand 9 states.
[2020-11-07 04:10:26,056 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 04:10:26,591 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-11-07 04:10:27,013 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-07 04:10:27,461 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:27,890 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 04:10:28,297 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 04:10:29,910 INFO L93 Difference]: Finished difference Result 357 states and 402 transitions.
[2020-11-07 04:10:29,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-07 04:10:29,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169
[2020-11-07 04:10:29,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 04:10:29,914 INFO L225 Difference]: With dead ends: 357
[2020-11-07 04:10:29,915 INFO L226 Difference]: Without dead ends: 252
[2020-11-07 04:10:29,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2020-11-07 04:10:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2020-11-07 04:10:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220.
[2020-11-07 04:10:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-11-07 04:10:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 234 transitions.
[2020-11-07 04:10:30,031 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 234 transitions. Word has length 169
[2020-11-07 04:10:30,033 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 04:10:30,033 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 234 transitions.
[2020-11-07 04:10:30,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-11-07 04:10:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 234 transitions.
[2020-11-07 04:10:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-11-07 04:10:30,038 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:30,038 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]
[2020-11-07 04:10:30,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-07 04:10:30,038 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:30,039 INFO L82 PathProgramCache]: Analyzing trace with hash 883200755, now seen corresponding path program 1 times
[2020-11-07 04:10:30,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:30,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615906972]
[2020-11-07 04:10:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,519 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 04:10:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 04:10:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 04:10:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 04:10:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 04:10:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 04:10:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-11-07 04:10:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 04:10:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-11-07 04:10:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-11-07 04:10:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2020-11-07 04:10:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 04:10:30,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615906972]
[2020-11-07 04:10:30,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 04:10:30,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-11-07 04:10:30,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262712307]
[2020-11-07 04:10:30,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-11-07 04:10:30,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 04:10:30,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-11-07 04:10:30,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-11-07 04:10:30,767 INFO L87 Difference]: Start difference. First operand 220 states and 234 transitions. Second operand 9 states.
[2020-11-07 04:10:31,485 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 04:10:33,712 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:34,195 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 04:10:34,633 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:35,065 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-11-07 04:10:35,485 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:36,124 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 04:10:36,591 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-07 04:10:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 04:10:37,003 INFO L93 Difference]: Finished difference Result 496 states and 587 transitions.
[2020-11-07 04:10:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-11-07 04:10:37,004 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177
[2020-11-07 04:10:37,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 04:10:37,009 INFO L225 Difference]: With dead ends: 496
[2020-11-07 04:10:37,009 INFO L226 Difference]: Without dead ends: 391
[2020-11-07 04:10:37,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-11-07 04:10:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states.
[2020-11-07 04:10:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 316.
[2020-11-07 04:10:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states.
[2020-11-07 04:10:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 347 transitions.
[2020-11-07 04:10:37,181 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 347 transitions. Word has length 177
[2020-11-07 04:10:37,181 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 04:10:37,181 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 347 transitions.
[2020-11-07 04:10:37,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-11-07 04:10:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 347 transitions.
[2020-11-07 04:10:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2020-11-07 04:10:37,185 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:37,185 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]
[2020-11-07 04:10:37,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-07 04:10:37,185 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:37,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:37,186 INFO L82 PathProgramCache]: Analyzing trace with hash 556924098, now seen corresponding path program 1 times
[2020-11-07 04:10:37,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:37,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216457636]
[2020-11-07 04:10:37,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,611 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-07 04:10:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-07 04:10:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-11-07 04:10:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-11-07 04:10:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-11-07 04:10:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-11-07 04:10:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-11-07 04:10:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-11-07 04:10:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-07 04:10:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-11-07 04:10:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159
[2020-11-07 04:10:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169
[2020-11-07 04:10:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-07 04:10:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-07 04:10:37,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216457636]
[2020-11-07 04:10:37,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-07 04:10:37,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-11-07 04:10:37,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970092797]
[2020-11-07 04:10:37,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-11-07 04:10:37,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-11-07 04:10:37,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-11-07 04:10:37,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-11-07 04:10:37,749 INFO L87 Difference]: Start difference. First operand 316 states and 347 transitions. Second operand 6 states.
[2020-11-07 04:10:38,397 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-07 04:10:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-07 04:10:39,117 INFO L93 Difference]: Finished difference Result 486 states and 552 transitions.
[2020-11-07 04:10:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-11-07 04:10:39,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182
[2020-11-07 04:10:39,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-07 04:10:39,125 INFO L225 Difference]: With dead ends: 486
[2020-11-07 04:10:39,125 INFO L226 Difference]: Without dead ends: 285
[2020-11-07 04:10:39,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-11-07 04:10:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2020-11-07 04:10:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 264.
[2020-11-07 04:10:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states.
[2020-11-07 04:10:39,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 279 transitions.
[2020-11-07 04:10:39,220 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 279 transitions. Word has length 182
[2020-11-07 04:10:39,220 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-07 04:10:39,221 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 279 transitions.
[2020-11-07 04:10:39,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-11-07 04:10:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 279 transitions.
[2020-11-07 04:10:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2020-11-07 04:10:39,223 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-07 04:10:39,224 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]
[2020-11-07 04:10:39,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-07 04:10:39,224 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-07 04:10:39,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-07 04:10:39,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1284817486, now seen corresponding path program 1 times
[2020-11-07 04:10:39,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-11-07 04:10:39,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506396496]
[2020-11-07 04:10:39,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-07 04:10:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 04:10:39,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 04:10:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-07 04:10:39,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-07 04:10:39,567 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-11-07 04:10:39,568 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-07 04:10:39,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-07 04:10:39,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:10:39 BoogieIcfgContainer
[2020-11-07 04:10:39,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-07 04:10:39,836 INFO L168 Benchmark]: Toolchain (without parser) took 23816.72 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 106.4 MB in the beginning and 225.1 MB in the end (delta: -118.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,837 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.23 ms. Allocated memory is still 151.0 MB. Free memory was 105.8 MB in the beginning and 127.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,843 INFO L168 Benchmark]: Boogie Preprocessor took 144.29 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 123.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,844 INFO L168 Benchmark]: RCFGBuilder took 1612.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 76.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,845 INFO L168 Benchmark]: TraceAbstraction took 21374.33 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 75.6 MB in the beginning and 225.1 MB in the end (delta: -149.5 MB). Peak memory consumption was 98.4 MB. Max. memory is 8.0 GB.
[2020-11-07 04:10:39,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 672.23 ms. Allocated memory is still 151.0 MB. Free memory was 105.8 MB in the beginning and 127.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 144.29 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 123.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1612.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 76.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 21374.33 ms. Allocated memory was 151.0 MB in the beginning and 399.5 MB in the end (delta: 248.5 MB). Free memory was 75.6 MB in the beginning and 225.1 MB in the end (delta: -149.5 MB). Peak memory consumption was 98.4 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L48] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=180, head={182:171}, methaneLevelCritical=151, pumpRunning=140, systemActive=139, waterLevel=1]
[L49] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=180, head={182:171}, methaneLevelCritical=0, pumpRunning=140, systemActive=139, waterLevel=1]
[L175] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=0, pumpRunning=140, systemActive=139, waterLevel=1]
[L277] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=0, pumpRunning=0, systemActive=139, waterLevel=1]
[L278] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L251] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L252] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L256] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L257] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L258] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L157] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L160] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L161] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L258] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L258] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L260] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L262] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L263] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L245] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L463] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L464] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L465] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L466] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L467] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L470] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L472] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L474] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L480] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L482] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L484] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L66] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L67] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L484] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L490] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L492] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L500] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L502] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L515] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L285] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L292] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L294] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L314] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L317] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L332] FCALL processEnvironment__wrappee__methaneQuery()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L294] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L300] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L429] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L430] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L431] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L435] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L87] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L90] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L91] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L435] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L435] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L437] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L441] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L119] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L122] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L123] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L441] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L441] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L443] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L445] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L383] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L386] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L387] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L445] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L445] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L447] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L451] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L170] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product13.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 37 procedures, 612 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1024 SDtfs, 1490 SDslu, 1262 SDs, 0 SdLazy, 2323 SolverSat, 467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 367902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...