/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.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_product09.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 21:22:03,818 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 21:22:03,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 21:22:03,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 21:22:03,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 21:22:03,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 21:22:03,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 21:22:03,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 21:22:03,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 21:22:03,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 21:22:03,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 21:22:03,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 21:22:03,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 21:22:03,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 21:22:03,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 21:22:03,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 21:22:03,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 21:22:03,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 21:22:03,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 21:22:03,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 21:22:03,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 21:22:03,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 21:22:03,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 21:22:03,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 21:22:03,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 21:22:03,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 21:22:03,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 21:22:03,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 21:22:03,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 21:22:03,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 21:22:03,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 21:22:03,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 21:22:03,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 21:22:03,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 21:22:03,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 21:22:03,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 21:22:03,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 21:22:03,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 21:22:03,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 21:22:03,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 21:22:03,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 21:22:03,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 21:22:03,901 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 21:22:03,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 21:22:03,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 21:22:03,903 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 21:22:03,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 21:22:03,903 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 21:22:03,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 21:22:03,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 21:22:03,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 21:22:03,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 21:22:03,904 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 21:22:03,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 21:22:03,905 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 21:22:03,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 21:22:03,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 21:22:03,905 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 21:22:03,906 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 21:22:03,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 21:22:03,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:22:03,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 21:22:03,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 21:22:03,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 21:22:03,907 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
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
[2020-08-22 21:22:04,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 21:22:04,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 21:22:04,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 21:22:04,196 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 21:22:04,196 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 21:22:04,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c
[2020-08-22 21:22:04,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb3f88e1/be9c83fad9784f9c88abd721bc1bcddb/FLAG2fc2ca76b
[2020-08-22 21:22:04,778 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 21:22:04,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c
[2020-08-22 21:22:04,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb3f88e1/be9c83fad9784f9c88abd721bc1bcddb/FLAG2fc2ca76b
[2020-08-22 21:22:05,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb3f88e1/be9c83fad9784f9c88abd721bc1bcddb
[2020-08-22 21:22:05,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 21:22:05,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 21:22:05,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 21:22:05,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 21:22:05,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 21:22:05,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05, skipping insertion in model container
[2020-08-22 21:22:05,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 21:22:05,156 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 21:22:05,528 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:22:05,539 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 21:22:05,683 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:22:05,724 INFO L208 MainTranslator]: Completed translation
[2020-08-22 21:22:05,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05 WrapperNode
[2020-08-22 21:22:05,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 21:22:05,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 21:22:05,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 21:22:05,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 21:22:05,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (1/1) ...
[2020-08-22 21:22:05,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 21:22:05,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 21:22:05,809 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 21:22:05,809 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 21:22:05,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (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
[2020-08-22 21:22:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 21:22:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 21:22:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:22:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-22 21:22:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-08-22 21:22:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-22 21:22:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-22 21:22:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-22 21:22:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-22 21:22:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-22 21:22:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-22 21:22:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-22 21:22:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-22 21:22:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-08-22 21:22:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-22 21:22:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-22 21:22:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-22 21:22:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-22 21:22:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-22 21:22:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-22 21:22:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-22 21:22:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-22 21:22:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-22 21:22:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-22 21:22:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 21:22:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-22 21:22:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-08-22 21:22:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-22 21:22:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-08-22 21:22:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-22 21:22:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-08-22 21:22:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-22 21:22:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 21:22:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-08-22 21:22:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-22 21:22:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 21:22:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-22 21:22:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 21:22:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-22 21:22:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-22 21:22:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 21:22:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:22:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:22:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 21:22:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-22 21:22:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-22 21:22:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-22 21:22:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 21:22:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-22 21:22:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 21:22:06,912 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 21:22:06,912 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-22 21:22:06,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:22:06 BoogieIcfgContainer
[2020-08-22 21:22:06,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 21:22:06,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 21:22:06,920 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 21:22:06,923 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 21:22:06,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:22:05" (1/3) ...
[2020-08-22 21:22:06,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:22:06, skipping insertion in model container
[2020-08-22 21:22:06,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:05" (2/3) ...
[2020-08-22 21:22:06,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:22:06, skipping insertion in model container
[2020-08-22 21:22:06,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:22:06" (3/3) ...
[2020-08-22 21:22:06,926 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c
[2020-08-22 21:22:06,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 21:22:06,944 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 21:22:06,958 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 21:22:06,979 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 21:22:06,980 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 21:22:06,980 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 21:22:06,980 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 21:22:06,980 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 21:22:06,980 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 21:22:06,981 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 21:22:06,981 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 21:22:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states.
[2020-08-22 21:22:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-08-22 21:22:07,018 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:07,020 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]
[2020-08-22 21:22:07,020 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:07,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:07,026 INFO L82 PathProgramCache]: Analyzing trace with hash -2059425041, now seen corresponding path program 1 times
[2020-08-22 21:22:07,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:07,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130831047]
[2020-08-22 21:22:07,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,702 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:07,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-08-22 21:22:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:22:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-08-22 21:22:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:22:07,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130831047]
[2020-08-22 21:22:07,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:07,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-22 21:22:07,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197797270]
[2020-08-22 21:22:07,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-22 21:22:07,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:07,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-22 21:22:07,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:22:07,890 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 3 states.
[2020-08-22 21:22:08,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:08,924 INFO L93 Difference]: Finished difference Result 365 states and 438 transitions.
[2020-08-22 21:22:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-08-22 21:22:08,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-08-22 21:22:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:08,953 INFO L225 Difference]: With dead ends: 365
[2020-08-22 21:22:08,953 INFO L226 Difference]: Without dead ends: 238
[2020-08-22 21:22:08,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:22:08,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states.
[2020-08-22 21:22:09,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201.
[2020-08-22 21:22:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states.
[2020-08-22 21:22:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 215 transitions.
[2020-08-22 21:22:09,121 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 215 transitions. Word has length 153
[2020-08-22 21:22:09,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:09,124 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 215 transitions.
[2020-08-22 21:22:09,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-22 21:22:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 215 transitions.
[2020-08-22 21:22:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-08-22 21:22:09,136 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:09,136 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]
[2020-08-22 21:22:09,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 21:22:09,137 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:09,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:09,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1720620052, now seen corresponding path program 1 times
[2020-08-22 21:22:09,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:09,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869282447]
[2020-08-22 21:22:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,565 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-08-22 21:22:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-08-22 21:22:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-08-22 21:22:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:22:09,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869282447]
[2020-08-22 21:22:09,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:09,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-22 21:22:09,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535285675]
[2020-08-22 21:22:09,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-22 21:22:09,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:09,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-22 21:22:09,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-22 21:22:09,646 INFO L87 Difference]: Start difference. First operand 201 states and 215 transitions. Second operand 4 states.
[2020-08-22 21:22:10,259 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:22:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:10,804 INFO L93 Difference]: Finished difference Result 282 states and 313 transitions.
[2020-08-22 21:22:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-22 21:22:10,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-08-22 21:22:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:10,809 INFO L225 Difference]: With dead ends: 282
[2020-08-22 21:22:10,809 INFO L226 Difference]: Without dead ends: 221
[2020-08-22 21:22:10,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-22 21:22:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2020-08-22 21:22:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191.
[2020-08-22 21:22:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states.
[2020-08-22 21:22:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 202 transitions.
[2020-08-22 21:22:10,869 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 202 transitions. Word has length 154
[2020-08-22 21:22:10,869 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:10,869 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 202 transitions.
[2020-08-22 21:22:10,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-22 21:22:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 202 transitions.
[2020-08-22 21:22:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-08-22 21:22:10,872 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:10,872 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]
[2020-08-22 21:22:10,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 21:22:10,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:10,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:10,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2141035662, now seen corresponding path program 1 times
[2020-08-22 21:22:10,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:10,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750732177]
[2020-08-22 21:22:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,161 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:22:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-08-22 21:22:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-08-22 21:22:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:22:11,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750732177]
[2020-08-22 21:22:11,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:11,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 21:22:11,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396988813]
[2020-08-22 21:22:11,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 21:22:11,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:11,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 21:22:11,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-08-22 21:22:11,340 INFO L87 Difference]: Start difference. First operand 191 states and 202 transitions. Second operand 9 states.
[2020-08-22 21:22:11,913 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:22:12,363 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:22:12,742 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:22:12,965 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:13,197 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:22:13,428 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:14,363 INFO L93 Difference]: Finished difference Result 302 states and 338 transitions.
[2020-08-22 21:22:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-08-22 21:22:14,364 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163
[2020-08-22 21:22:14,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:14,367 INFO L225 Difference]: With dead ends: 302
[2020-08-22 21:22:14,367 INFO L226 Difference]: Without dead ends: 221
[2020-08-22 21:22:14,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2020-08-22 21:22:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2020-08-22 21:22:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191.
[2020-08-22 21:22:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states.
[2020-08-22 21:22:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 201 transitions.
[2020-08-22 21:22:14,426 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 201 transitions. Word has length 163
[2020-08-22 21:22:14,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:14,426 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 201 transitions.
[2020-08-22 21:22:14,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 21:22:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 201 transitions.
[2020-08-22 21:22:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-08-22 21:22:14,429 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:14,429 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]
[2020-08-22 21:22:14,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 21:22:14,429 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:14,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:14,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1523328368, now seen corresponding path program 1 times
[2020-08-22 21:22:14,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:14,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086088500]
[2020-08-22 21:22:14,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,706 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:14,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-08-22 21:22:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-08-22 21:22:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-08-22 21:22:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-08-22 21:22:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:22:14,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086088500]
[2020-08-22 21:22:14,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:14,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-22 21:22:14,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811160848]
[2020-08-22 21:22:14,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-22 21:22:14,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:14,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-22 21:22:14,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-08-22 21:22:14,910 INFO L87 Difference]: Start difference. First operand 191 states and 201 transitions. Second operand 8 states.
[2020-08-22 21:22:15,516 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:22:16,623 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:16,859 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:22:17,111 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:17,349 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:22:17,568 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:22:17,818 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:18,027 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:18,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:18,285 INFO L93 Difference]: Finished difference Result 368 states and 417 transitions.
[2020-08-22 21:22:18,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-08-22 21:22:18,285 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166
[2020-08-22 21:22:18,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:18,290 INFO L225 Difference]: With dead ends: 368
[2020-08-22 21:22:18,290 INFO L226 Difference]: Without dead ends: 287
[2020-08-22 21:22:18,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-08-22 21:22:18,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states.
[2020-08-22 21:22:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 262.
[2020-08-22 21:22:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states.
[2020-08-22 21:22:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions.
[2020-08-22 21:22:18,382 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 166
[2020-08-22 21:22:18,383 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:18,383 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions.
[2020-08-22 21:22:18,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-22 21:22:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions.
[2020-08-22 21:22:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-08-22 21:22:18,385 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:18,385 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]
[2020-08-22 21:22:18,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 21:22:18,386 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:18,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:18,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1767718716, now seen corresponding path program 1 times
[2020-08-22 21:22:18,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:18,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658676632]
[2020-08-22 21:22:18,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,656 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:18,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-08-22 21:22:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-08-22 21:22:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-08-22 21:22:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-08-22 21:22:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159
[2020-08-22 21:22:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:22:18,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658676632]
[2020-08-22 21:22:18,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:18,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-22 21:22:18,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892986673]
[2020-08-22 21:22:18,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-22 21:22:18,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:18,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-22 21:22:18,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-22 21:22:18,785 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states.
[2020-08-22 21:22:19,278 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:22:19,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:19,776 INFO L93 Difference]: Finished difference Result 361 states and 402 transitions.
[2020-08-22 21:22:19,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-08-22 21:22:19,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171
[2020-08-22 21:22:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:19,779 INFO L225 Difference]: With dead ends: 361
[2020-08-22 21:22:19,779 INFO L226 Difference]: Without dead ends: 269
[2020-08-22 21:22:19,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-08-22 21:22:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2020-08-22 21:22:19,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 248.
[2020-08-22 21:22:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states.
[2020-08-22 21:22:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 263 transitions.
[2020-08-22 21:22:19,855 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 263 transitions. Word has length 171
[2020-08-22 21:22:19,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:19,856 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 263 transitions.
[2020-08-22 21:22:19,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-22 21:22:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 263 transitions.
[2020-08-22 21:22:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-08-22 21:22:19,858 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:19,858 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]
[2020-08-22 21:22:19,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-22 21:22:19,859 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:19,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:19,859 INFO L82 PathProgramCache]: Analyzing trace with hash -645930008, now seen corresponding path program 1 times
[2020-08-22 21:22:19,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:19,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561440901]
[2020-08-22 21:22:19,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:22:19,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:22:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:22:19,988 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:22:20,167 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 21:22:20,167 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 21:22:20,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-22 21:22:20,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:22:20 BoogieIcfgContainer
[2020-08-22 21:22:20,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 21:22:20,338 INFO L168 Benchmark]: Toolchain (without parser) took 15250.30 ms. Allocated memory was 140.0 MB in the beginning and 521.7 MB in the end (delta: 381.7 MB). Free memory was 102.9 MB in the beginning and 156.0 MB in the end (delta: -53.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,338 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.53 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 172.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,340 INFO L168 Benchmark]: Boogie Preprocessor took 83.59 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,341 INFO L168 Benchmark]: RCFGBuilder took 1109.62 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 181.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,342 INFO L168 Benchmark]: TraceAbstraction took 13416.29 ms. Allocated memory was 237.0 MB in the beginning and 521.7 MB in the end (delta: 284.7 MB). Free memory was 180.2 MB in the beginning and 156.0 MB in the end (delta: 24.3 MB). Peak memory consumption was 308.9 MB. Max. memory is 7.1 GB.
[2020-08-22 21:22:20,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 635.53 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 172.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 83.59 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1109.62 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 181.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 13416.29 ms. Allocated memory was 237.0 MB in the beginning and 521.7 MB in the end (delta: 284.7 MB). Free memory was 180.2 MB in the beginning and 156.0 MB in the end (delta: 24.3 MB). Peak memory consumption was 308.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L40] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=172, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=141, systemActive=140, waterLevel=148]
[L224] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=0, systemActive=140, waterLevel=148]
[L225] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=148]
[L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=148]
[L786] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=172, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=1]
[L787] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L121] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L122] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L126] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L127] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L128] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L411] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L414] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L415] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L128] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L128] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L130] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L132] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L133] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L112] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L154] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L155] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L156] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L157] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L158] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L161] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L163] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L165] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L171] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=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]
[L173] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L175] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L804] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L805] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L175] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L181] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=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]
[L183] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L191] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=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]
[L193] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=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]
[L206] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L232] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L239] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L241] FCALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L247] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L352] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L353] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L354] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L358] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L825] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L828] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L829] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L358] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L358] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L360] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L364] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L857] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L860] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L861] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L364] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L364] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L366] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L368] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L305] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L308] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L309] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L368] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2]
[L368] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=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]
[L370] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=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]
[L374] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L148] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 35 procedures, 587 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 909 SDtfs, 958 SDslu, 1147 SDs, 0 SdLazy, 1888 SolverSat, 279 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 143 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 978 NumberOfCodeBlocks, 978 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 802 ConstructedInterpolants, 0 QuantifiedInterpolants, 328466 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...