/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_product28.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 23:58:39,788 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 23:58:39,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 23:58:39,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 23:58:39,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 23:58:39,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 23:58:39,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 23:58:39,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 23:58:39,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 23:58:39,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 23:58:39,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 23:58:39,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 23:58:39,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 23:58:39,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 23:58:39,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 23:58:39,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 23:58:39,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 23:58:39,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 23:58:39,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 23:58:39,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 23:58:39,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 23:58:39,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 23:58:39,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 23:58:39,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 23:58:39,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 23:58:39,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 23:58:39,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 23:58:39,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-23 23:58:39,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-23 23:58:39,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-23 23:58:39,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 23:58:39,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-23 23:58:39,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-23 23:58:39,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-23 23:58:39,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-23 23:58:39,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-23 23:58:39,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-23 23:58:39,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-23 23:58:39,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-23 23:58:39,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-23 23:58:39,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 23:58:39,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-23 23:58:39,916 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 23:58:39,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 23:58:39,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 23:58:39,918 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 23:58:39,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 23:58:39,918 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 23:58:39,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 23:58:39,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 23:58:39,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 23:58:39,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 23:58:39,920 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 23:58:39,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 23:58:39,920 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 23:58:39,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 23:58:39,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 23:58:39,921 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-23 23:58:39,921 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 23:58:39,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 23:58:39,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:58:39,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 23:58:39,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-23 23:58:39,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 23:58:39,923 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-10-23 23:58:40,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 23:58:40,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 23:58:40,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 23:58:40,357 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 23:58:40,359 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 23:58:40,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c
[2020-10-23 23:58:40,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2a7867c/da95aa7385ab4348917c904ee9c3a5c0/FLAGf5ac1a0a4
[2020-10-23 23:58:41,231 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 23:58:41,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product28.cil.c
[2020-10-23 23:58:41,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2a7867c/da95aa7385ab4348917c904ee9c3a5c0/FLAGf5ac1a0a4
[2020-10-23 23:58:41,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2a7867c/da95aa7385ab4348917c904ee9c3a5c0
[2020-10-23 23:58:41,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 23:58:41,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 23:58:41,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 23:58:41,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 23:58:41,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 23:58:41,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:41" (1/1) ...
[2020-10-23 23:58:41,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2f84ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:41, skipping insertion in model container
[2020-10-23 23:58:41,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:41" (1/1) ...
[2020-10-23 23:58:41,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 23:58:41,648 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 23:58:41,933 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:58:41,955 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 23:58:42,145 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:58:42,204 INFO L208 MainTranslator]: Completed translation
[2020-10-23 23:58:42,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42 WrapperNode
[2020-10-23 23:58:42,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 23:58:42,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 23:58:42,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 23:58:42,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 23:58:42,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (1/1) ...
[2020-10-23 23:58:42,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 23:58:42,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 23:58:42,381 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 23:58:42,381 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 23:58:42,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (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
[2020-10-23 23:58:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 23:58:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 23:58:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:58:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 23:58:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-23 23:58:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-23 23:58:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-23 23:58:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-23 23:58:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-23 23:58:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-10-23 23:58:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-23 23:58:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-23 23:58:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-10-23 23:58:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-10-23 23:58:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-10-23 23:58:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-23 23:58:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-23 23:58:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-23 23:58:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-23 23:58:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-23 23:58:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-23 23:58:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-23 23:58:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 23:58:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-23 23:58:42,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-23 23:58:42,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-23 23:58:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 23:58:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 23:58:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 23:58:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-23 23:58:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-23 23:58:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-23 23:58:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-23 23:58:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 23:58:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-23 23:58:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-23 23:58:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-23 23:58:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-23 23:58:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-23 23:58:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:58:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 23:58:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 23:58:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 23:58:43,959 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 23:58:43,960 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-23 23:58:43,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:43 BoogieIcfgContainer
[2020-10-23 23:58:43,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 23:58:43,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 23:58:43,965 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 23:58:43,969 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 23:58:43,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:58:41" (1/3) ...
[2020-10-23 23:58:43,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422733c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:43, skipping insertion in model container
[2020-10-23 23:58:43,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:42" (2/3) ...
[2020-10-23 23:58:43,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422733c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:43, skipping insertion in model container
[2020-10-23 23:58:43,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:43" (3/3) ...
[2020-10-23 23:58:43,975 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c
[2020-10-23 23:58:43,988 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-23 23:58:43,994 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-23 23:58:44,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-23 23:58:44,044 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 23:58:44,045 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 23:58:44,045 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-23 23:58:44,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 23:58:44,045 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 23:58:44,045 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 23:58:44,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 23:58:44,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 23:58:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states.
[2020-10-23 23:58:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-10-23 23:58:44,090 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:44,091 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]
[2020-10-23 23:58:44,092 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]===
[2020-10-23 23:58:44,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:44,098 INFO L82 PathProgramCache]: Analyzing trace with hash -348296688, now seen corresponding path program 1 times
[2020-10-23 23:58:44,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:44,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642080861]
[2020-10-23 23:58:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,013 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-10-23 23:58:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:58:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-10-23 23:58:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:45,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642080861]
[2020-10-23 23:58:45,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:45,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-23 23:58:45,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571157773]
[2020-10-23 23:58:45,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-23 23:58:45,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:45,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-23 23:58:45,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:58:45,236 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 3 states.
[2020-10-23 23:58:46,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:46,852 INFO L93 Difference]: Finished difference Result 468 states and 557 transitions.
[2020-10-23 23:58:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-23 23:58:46,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159
[2020-10-23 23:58:46,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:46,873 INFO L225 Difference]: With dead ends: 468
[2020-10-23 23:58:46,874 INFO L226 Difference]: Without dead ends: 293
[2020-10-23 23:58:46,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:58:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2020-10-23 23:58:47,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251.
[2020-10-23 23:58:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states.
[2020-10-23 23:58:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 271 transitions.
[2020-10-23 23:58:47,077 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 271 transitions. Word has length 159
[2020-10-23 23:58:47,078 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:47,078 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 271 transitions.
[2020-10-23 23:58:47,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-23 23:58:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 271 transitions.
[2020-10-23 23:58:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-10-23 23:58:47,085 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:47,085 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]
[2020-10-23 23:58:47,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 23:58:47,086 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]===
[2020-10-23 23:58:47,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:47,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1143971558, now seen corresponding path program 1 times
[2020-10-23 23:58:47,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:47,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583120027]
[2020-10-23 23:58:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,567 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-10-23 23:58:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-10-23 23:58:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-10-23 23:58:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:47,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583120027]
[2020-10-23 23:58:47,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:47,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-23 23:58:47,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092989079]
[2020-10-23 23:58:47,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-23 23:58:47,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-23 23:58:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-23 23:58:47,687 INFO L87 Difference]: Start difference. First operand 251 states and 271 transitions. Second operand 4 states.
[2020-10-23 23:58:48,584 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:58:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:49,726 INFO L93 Difference]: Finished difference Result 372 states and 416 transitions.
[2020-10-23 23:58:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 23:58:49,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160
[2020-10-23 23:58:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:49,731 INFO L225 Difference]: With dead ends: 372
[2020-10-23 23:58:49,732 INFO L226 Difference]: Without dead ends: 276
[2020-10-23 23:58:49,734 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
[2020-10-23 23:58:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2020-10-23 23:58:49,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 241.
[2020-10-23 23:58:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states.
[2020-10-23 23:58:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 258 transitions.
[2020-10-23 23:58:49,845 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 258 transitions. Word has length 160
[2020-10-23 23:58:49,845 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:49,845 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 258 transitions.
[2020-10-23 23:58:49,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-23 23:58:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 258 transitions.
[2020-10-23 23:58:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2020-10-23 23:58:49,849 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:49,849 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]
[2020-10-23 23:58:49,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-23 23:58:49,850 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]===
[2020-10-23 23:58:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:49,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1464081422, now seen corresponding path program 1 times
[2020-10-23 23:58:49,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:49,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277568470]
[2020-10-23 23:58:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,343 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-23 23:58:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-10-23 23:58:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-10-23 23:58:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-10-23 23:58:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:50,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277568470]
[2020-10-23 23:58:50,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:50,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-23 23:58:50,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176728732]
[2020-10-23 23:58:50,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-23 23:58:50,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:50,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-23 23:58:50,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-23 23:58:50,568 INFO L87 Difference]: Start difference. First operand 241 states and 258 transitions. Second operand 10 states.
[2020-10-23 23:58:51,367 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:58:51,880 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:58:52,316 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 23:58:52,760 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:53,168 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:58:53,593 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:58:54,865 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:58:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:58:57,666 INFO L93 Difference]: Finished difference Result 656 states and 761 transitions.
[2020-10-23 23:58:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-10-23 23:58:57,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173
[2020-10-23 23:58:57,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:58:57,675 INFO L225 Difference]: With dead ends: 656
[2020-10-23 23:58:57,676 INFO L226 Difference]: Without dead ends: 530
[2020-10-23 23:58:57,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342
[2020-10-23 23:58:57,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states.
[2020-10-23 23:58:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 437.
[2020-10-23 23:58:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states.
[2020-10-23 23:58:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 486 transitions.
[2020-10-23 23:58:57,872 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 486 transitions. Word has length 173
[2020-10-23 23:58:57,873 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:58:57,873 INFO L481 AbstractCegarLoop]: Abstraction has 437 states and 486 transitions.
[2020-10-23 23:58:57,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-23 23:58:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 486 transitions.
[2020-10-23 23:58:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2020-10-23 23:58:57,877 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:58:57,877 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]
[2020-10-23 23:58:57,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-23 23:58:57,878 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]===
[2020-10-23 23:58:57,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:58:57,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2092831406, now seen corresponding path program 1 times
[2020-10-23 23:58:57,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:58:57,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931227226]
[2020-10-23 23:58:57,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:58:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,354 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:58:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:58:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:58:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:58:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:58:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:58:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-23 23:58:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-10-23 23:58:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-10-23 23:58:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-10-23 23:58:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:58:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:58:58,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931227226]
[2020-10-23 23:58:58,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:58:58,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-10-23 23:58:58,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047129358]
[2020-10-23 23:58:58,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-23 23:58:58,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:58:58,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-23 23:58:58,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-10-23 23:58:58,518 INFO L87 Difference]: Start difference. First operand 437 states and 486 transitions. Second operand 9 states.
[2020-10-23 23:58:59,262 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:59:01,450 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:59:01,901 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:59:02,329 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:59:02,826 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:59:03,256 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:59:03,665 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:59:04,053 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:59:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:59:05,061 INFO L93 Difference]: Finished difference Result 1158 states and 1388 transitions.
[2020-10-23 23:59:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-10-23 23:59:05,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178
[2020-10-23 23:59:05,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:59:05,073 INFO L225 Difference]: With dead ends: 1158
[2020-10-23 23:59:05,073 INFO L226 Difference]: Without dead ends: 836
[2020-10-23 23:59:05,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-10-23 23:59:05,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states.
[2020-10-23 23:59:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 737.
[2020-10-23 23:59:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states.
[2020-10-23 23:59:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 843 transitions.
[2020-10-23 23:59:05,433 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 843 transitions. Word has length 178
[2020-10-23 23:59:05,434 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:59:05,434 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 843 transitions.
[2020-10-23 23:59:05,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-23 23:59:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 843 transitions.
[2020-10-23 23:59:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-10-23 23:59:05,439 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:59:05,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:59:05,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-23 23:59:05,440 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]===
[2020-10-23 23:59:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:59:05,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1548007439, now seen corresponding path program 1 times
[2020-10-23 23:59:05,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:59:05,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163409520]
[2020-10-23 23:59:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:59:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,860 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:59:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:59:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:59:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:59:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:59:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:59:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-23 23:59:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-10-23 23:59:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-10-23 23:59:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-10-23 23:59:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:05,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2020-10-23 23:59:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:59:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:59:06,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163409520]
[2020-10-23 23:59:06,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:59:06,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-23 23:59:06,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615834704]
[2020-10-23 23:59:06,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-23 23:59:06,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:59:06,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-23 23:59:06,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-10-23 23:59:06,040 INFO L87 Difference]: Start difference. First operand 737 states and 843 transitions. Second operand 6 states.
[2020-10-23 23:59:06,704 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:59:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:59:08,106 INFO L93 Difference]: Finished difference Result 1255 states and 1496 transitions.
[2020-10-23 23:59:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-10-23 23:59:08,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183
[2020-10-23 23:59:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:59:08,121 INFO L225 Difference]: With dead ends: 1255
[2020-10-23 23:59:08,121 INFO L226 Difference]: Without dead ends: 633
[2020-10-23 23:59:08,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-10-23 23:59:08,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states.
[2020-10-23 23:59:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 556.
[2020-10-23 23:59:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states.
[2020-10-23 23:59:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 607 transitions.
[2020-10-23 23:59:08,426 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 607 transitions. Word has length 183
[2020-10-23 23:59:08,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:59:08,426 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 607 transitions.
[2020-10-23 23:59:08,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-23 23:59:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 607 transitions.
[2020-10-23 23:59:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2020-10-23 23:59:08,430 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:59:08,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:59:08,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-23 23:59:08,431 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]===
[2020-10-23 23:59:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:59:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash 480351231, now seen corresponding path program 1 times
[2020-10-23 23:59:08,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:59:08,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585059775]
[2020-10-23 23:59:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:59:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:59:08,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:59:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:59:08,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:59:08,871 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-23 23:59:08,872 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 23:59:08,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-23 23:59:09,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:59:09 BoogieIcfgContainer
[2020-10-23 23:59:09,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 23:59:09,213 INFO L168 Benchmark]: Toolchain (without parser) took 27669.57 ms. Allocated memory was 151.0 MB in the beginning and 476.1 MB in the end (delta: 325.1 MB). Free memory was 127.2 MB in the beginning and 427.5 MB in the end (delta: -300.3 MB). Peak memory consumption was 291.3 MB. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,220 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 120.5 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.92 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 105.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,223 INFO L168 Benchmark]: Boogie Preprocessor took 173.03 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 132.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,223 INFO L168 Benchmark]: RCFGBuilder took 1582.20 ms. Allocated memory is still 151.0 MB. Free memory was 132.1 MB in the beginning and 86.5 MB in the end (delta: 45.7 MB). Peak memory consumption was 62.4 MB. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,224 INFO L168 Benchmark]: TraceAbstraction took 25245.07 ms. Allocated memory was 151.0 MB in the beginning and 476.1 MB in the end (delta: 325.1 MB). Free memory was 86.5 MB in the beginning and 427.5 MB in the end (delta: -341.0 MB). Peak memory consumption was 249.9 MB. Max. memory is 8.0 GB.
[2020-10-23 23:59:09,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 120.5 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 653.92 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 105.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 173.03 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 132.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1582.20 ms. Allocated memory is still 151.0 MB. Free memory was 132.1 MB in the beginning and 86.5 MB in the end (delta: 45.7 MB). Peak memory consumption was 62.4 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 25245.07 ms. Allocated memory was 151.0 MB in the beginning and 476.1 MB in the end (delta: 325.1 MB). Free memory was 86.5 MB in the beginning and 427.5 MB in the end (delta: -341.0 MB). Peak memory consumption was 249.9 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:
[L91] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=175, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=139, waterLevel=144]
[L92] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=175, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=175, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=144]
[L358] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=175, head={182:165}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=1]
[L359] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=175, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=175, head={182:165}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L447] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=175, \old(head)=182, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:165}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L755] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L520] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L521] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L525] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L526] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L527] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L71] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L74] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L75] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L527] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L527] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L529] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L531] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L532] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L514] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L289] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L290] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L291] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L292] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L293] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L296] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L298] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L300] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L306] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L308] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L310] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L376] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L377] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L310] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L316] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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]
[L318] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L326] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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, tmp___2=0, waterLevel=2]
[L328] COND FALSE !(\read(tmp___2))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2]
[L334] tmp___1 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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___1=1, tmp___2=0, waterLevel=2]
[L336] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L338] CALL stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L265] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L272] systemActive = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L338] RET stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L345] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L99] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L106] COND FALSE !(\read(systemActive))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L114] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L553] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L554] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L555] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L559] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L397] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L400] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L401] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L559] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L559] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L561] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L565] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L429] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L432] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L433] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L565] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L565] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L567] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L569] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L198] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L201] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L202] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L569] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L569] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L571] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L575] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L547] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec3_product28.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 41 procedures, 641 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1169 SDtfs, 1779 SDslu, 1606 SDs, 0 SdLazy, 3186 SolverSat, 603 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred 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: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 346 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1036 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 848 ConstructedInterpolants, 0 QuantifiedInterpolants, 365438 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...