/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_spec4_product34.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-24 00:04:50,593 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-24 00:04:50,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-24 00:04:50,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-24 00:04:50,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-24 00:04:50,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-24 00:04:50,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-24 00:04:50,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-24 00:04:50,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-24 00:04:50,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-24 00:04:50,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-24 00:04:50,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-24 00:04:50,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-24 00:04:50,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-24 00:04:50,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-24 00:04:50,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-24 00:04:50,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-24 00:04:50,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-24 00:04:50,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-24 00:04:50,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-24 00:04:50,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-24 00:04:50,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-24 00:04:50,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-24 00:04:50,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-24 00:04:50,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-24 00:04:50,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-24 00:04:50,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-24 00:04:50,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-24 00:04:50,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-24 00:04:50,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-24 00:04:50,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-24 00:04:50,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-24 00:04:50,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-24 00:04:50,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-24 00:04:50,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-24 00:04:50,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-24 00:04:50,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-24 00:04:50,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-24 00:04:50,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-24 00:04:50,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-24 00:04:50,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-24 00:04:50,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-24 00:04:50,740 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-24 00:04:50,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-24 00:04:50,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-24 00:04:50,746 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-24 00:04:50,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-24 00:04:50,747 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-24 00:04:50,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-24 00:04:50,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-24 00:04:50,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-24 00:04:50,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-24 00:04:50,749 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-24 00:04:50,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-24 00:04:50,750 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-24 00:04:50,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-24 00:04:50,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-24 00:04:50,752 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-24 00:04:50,752 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-24 00:04:50,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-24 00:04:50,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-24 00:04:50,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-24 00:04:50,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-24 00:04:50,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-24 00:04:50,753 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-10-24 00:04:51,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-24 00:04:51,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-24 00:04:51,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-24 00:04:51,213 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-24 00:04:51,214 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-24 00:04:51,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c
[2020-10-24 00:04:51,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dce50fd/6c2d7ebc0f7f47898b56fb4cedc1594c/FLAGcc2534ed2
[2020-10-24 00:04:52,073 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-24 00:04:52,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product34.cil.c
[2020-10-24 00:04:52,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dce50fd/6c2d7ebc0f7f47898b56fb4cedc1594c/FLAGcc2534ed2
[2020-10-24 00:04:52,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7dce50fd/6c2d7ebc0f7f47898b56fb4cedc1594c
[2020-10-24 00:04:52,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-24 00:04:52,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-24 00:04:52,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-24 00:04:52,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-24 00:04:52,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-24 00:04:52,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:52,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22386eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52, skipping insertion in model container
[2020-10-24 00:04:52,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:52,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-24 00:04:52,463 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-24 00:04:52,763 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-24 00:04:52,785 INFO L203 MainTranslator]: Completed pre-run
[2020-10-24 00:04:52,894 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-24 00:04:52,936 INFO L208 MainTranslator]: Completed translation
[2020-10-24 00:04:52,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52 WrapperNode
[2020-10-24 00:04:52,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-24 00:04:52,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-24 00:04:52,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-24 00:04:52,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-24 00:04:52,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:52,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:52,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:52,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:53,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:53,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:53,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (1/1) ...
[2020-10-24 00:04:53,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-24 00:04:53,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-24 00:04:53,096 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-24 00:04:53,096 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-24 00:04:53,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (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
[2020-10-24 00:04:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-24 00:04:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-24 00:04:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-24 00:04:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-24 00:04:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-10-24 00:04:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-24 00:04:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-24 00:04:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-24 00:04:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-24 00:04:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-24 00:04:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-24 00:04:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-24 00:04:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-24 00:04:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-24 00:04:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-24 00:04:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-24 00:04:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-10-24 00:04:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-24 00:04:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-24 00:04:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-24 00:04:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-24 00:04:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-24 00:04:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-24 00:04:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-10-24 00:04:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-10-24 00:04:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-24 00:04:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-24 00:04:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-24 00:04:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-24 00:04:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-24 00:04:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-24 00:04:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-10-24 00:04:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-24 00:04:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-24 00:04:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-24 00:04:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-24 00:04:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-24 00:04:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-24 00:04:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-24 00:04:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-24 00:04:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-24 00:04:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-24 00:04:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-24 00:04:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-24 00:04:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-24 00:04:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-24 00:04:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-24 00:04:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-10-24 00:04:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-24 00:04:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-24 00:04:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-24 00:04:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-10-24 00:04:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-24 00:04:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-24 00:04:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-24 00:04:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-10-24 00:04:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-10-24 00:04:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-24 00:04:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-24 00:04:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-24 00:04:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-24 00:04:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-24 00:04:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-24 00:04:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-24 00:04:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-24 00:04:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-24 00:04:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-24 00:04:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-24 00:04:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-24 00:04:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-24 00:04:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-24 00:04:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-24 00:04:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-24 00:04:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-24 00:04:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-24 00:04:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-24 00:04:54,787 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-24 00:04:54,788 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-24 00:04:54,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:04:54 BoogieIcfgContainer
[2020-10-24 00:04:54,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-24 00:04:54,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-24 00:04:54,793 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-24 00:04:54,796 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-24 00:04:54,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:04:52" (1/3) ...
[2020-10-24 00:04:54,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f9c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:04:54, skipping insertion in model container
[2020-10-24 00:04:54,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:52" (2/3) ...
[2020-10-24 00:04:54,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f9c5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:04:54, skipping insertion in model container
[2020-10-24 00:04:54,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:04:54" (3/3) ...
[2020-10-24 00:04:54,799 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34.cil.c
[2020-10-24 00:04:54,812 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-24 00:04:54,818 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-24 00:04:54,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-24 00:04:54,856 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-24 00:04:54,856 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-24 00:04:54,856 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-24 00:04:54,856 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-24 00:04:54,857 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-24 00:04:54,857 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-24 00:04:54,857 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-24 00:04:54,857 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-24 00:04:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states.
[2020-10-24 00:04:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2020-10-24 00:04:54,899 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:04:54,900 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]
[2020-10-24 00:04:54,901 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]===
[2020-10-24 00:04:54,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:04:54,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1783842197, now seen corresponding path program 1 times
[2020-10-24 00:04:54,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:04:54,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469164184]
[2020-10-24 00:04:54,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:04:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,774 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:04:55,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:04:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:04:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:04:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:04:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:04:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-24 00:04:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-10-24 00:04:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-24 00:04:55,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469164184]
[2020-10-24 00:04:55,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-24 00:04:55,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-24 00:04:55,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287548237]
[2020-10-24 00:04:55,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-24 00:04:55,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:04:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-24 00:04:55,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-24 00:04:55,999 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states.
[2020-10-24 00:04:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:04:57,528 INFO L93 Difference]: Finished difference Result 438 states and 522 transitions.
[2020-10-24 00:04:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-24 00:04:57,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148
[2020-10-24 00:04:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:04:57,547 INFO L225 Difference]: With dead ends: 438
[2020-10-24 00:04:57,547 INFO L226 Difference]: Without dead ends: 277
[2020-10-24 00:04:57,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-24 00:04:57,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states.
[2020-10-24 00:04:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 237.
[2020-10-24 00:04:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states.
[2020-10-24 00:04:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 255 transitions.
[2020-10-24 00:04:57,724 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 255 transitions. Word has length 148
[2020-10-24 00:04:57,725 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:04:57,725 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 255 transitions.
[2020-10-24 00:04:57,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-24 00:04:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 255 transitions.
[2020-10-24 00:04:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-10-24 00:04:57,729 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:04:57,730 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]
[2020-10-24 00:04:57,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-24 00:04:57,730 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]===
[2020-10-24 00:04:57,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:04:57,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1405115080, now seen corresponding path program 1 times
[2020-10-24 00:04:57,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:04:57,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150098129]
[2020-10-24 00:04:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:04:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,184 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:04:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:04:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:04:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:04:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:04:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:04:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-10-24 00:04:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-24 00:04:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:04:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-24 00:04:58,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150098129]
[2020-10-24 00:04:58,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-24 00:04:58,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-24 00:04:58,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084738283]
[2020-10-24 00:04:58,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-24 00:04:58,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:04:58,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-24 00:04:58,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-24 00:04:58,370 INFO L87 Difference]: Start difference. First operand 237 states and 255 transitions. Second operand 4 states.
[2020-10-24 00:04:59,188 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:00,148 INFO L93 Difference]: Finished difference Result 348 states and 389 transitions.
[2020-10-24 00:05:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-24 00:05:00,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149
[2020-10-24 00:05:00,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:00,160 INFO L225 Difference]: With dead ends: 348
[2020-10-24 00:05:00,161 INFO L226 Difference]: Without dead ends: 260
[2020-10-24 00:05:00,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-24 00:05:00,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2020-10-24 00:05:00,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 227.
[2020-10-24 00:05:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states.
[2020-10-24 00:05:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 242 transitions.
[2020-10-24 00:05:00,269 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 242 transitions. Word has length 149
[2020-10-24 00:05:00,270 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:00,270 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 242 transitions.
[2020-10-24 00:05:00,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-24 00:05:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 242 transitions.
[2020-10-24 00:05:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-10-24 00:05:00,273 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:00,273 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]
[2020-10-24 00:05:00,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-24 00:05:00,273 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]===
[2020-10-24 00:05:00,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:00,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1003405313, now seen corresponding path program 1 times
[2020-10-24 00:05:00,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:00,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943828833]
[2020-10-24 00:05:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,767 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-24 00:05:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-10-24 00:05:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-10-24 00:05:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-24 00:05:01,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943828833]
[2020-10-24 00:05:01,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-24 00:05:01,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-24 00:05:01,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561815001]
[2020-10-24 00:05:01,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-24 00:05:01,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:01,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-24 00:05:01,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-24 00:05:01,024 INFO L87 Difference]: Start difference. First operand 227 states and 242 transitions. Second operand 10 states.
[2020-10-24 00:05:01,668 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:02,112 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:02,489 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-24 00:05:02,870 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:03,238 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:03,617 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:05,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:05,258 INFO L93 Difference]: Finished difference Result 394 states and 451 transitions.
[2020-10-24 00:05:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-10-24 00:05:05,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162
[2020-10-24 00:05:05,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:05,265 INFO L225 Difference]: With dead ends: 394
[2020-10-24 00:05:05,265 INFO L226 Difference]: Without dead ends: 282
[2020-10-24 00:05:05,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2020-10-24 00:05:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2020-10-24 00:05:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 227.
[2020-10-24 00:05:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states.
[2020-10-24 00:05:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 241 transitions.
[2020-10-24 00:05:05,353 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 241 transitions. Word has length 162
[2020-10-24 00:05:05,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:05,354 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 241 transitions.
[2020-10-24 00:05:05,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-24 00:05:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 241 transitions.
[2020-10-24 00:05:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-10-24 00:05:05,356 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:05,357 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]
[2020-10-24 00:05:05,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-24 00:05:05,357 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]===
[2020-10-24 00:05:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:05,358 INFO L82 PathProgramCache]: Analyzing trace with hash -274672684, now seen corresponding path program 1 times
[2020-10-24 00:05:05,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:05,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563768019]
[2020-10-24 00:05:05,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,779 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-24 00:05:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-24 00:05:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-10-24 00:05:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2020-10-24 00:05:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-24 00:05:05,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563768019]
[2020-10-24 00:05:05,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-24 00:05:05,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-10-24 00:05:05,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443363542]
[2020-10-24 00:05:05,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-24 00:05:05,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:05,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-24 00:05:05,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-10-24 00:05:05,931 INFO L87 Difference]: Start difference. First operand 227 states and 241 transitions. Second operand 7 states.
[2020-10-24 00:05:06,698 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:08,571 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:09,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:09,399 INFO L93 Difference]: Finished difference Result 567 states and 670 transitions.
[2020-10-24 00:05:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-10-24 00:05:09,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170
[2020-10-24 00:05:09,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:09,405 INFO L225 Difference]: With dead ends: 567
[2020-10-24 00:05:09,406 INFO L226 Difference]: Without dead ends: 455
[2020-10-24 00:05:09,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182
[2020-10-24 00:05:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states.
[2020-10-24 00:05:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 326.
[2020-10-24 00:05:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states.
[2020-10-24 00:05:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 350 transitions.
[2020-10-24 00:05:09,562 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 350 transitions. Word has length 170
[2020-10-24 00:05:09,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:09,563 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 350 transitions.
[2020-10-24 00:05:09,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-24 00:05:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 350 transitions.
[2020-10-24 00:05:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2020-10-24 00:05:09,566 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:09,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:09,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-24 00:05:09,567 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]===
[2020-10-24 00:05:09,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1277684991, now seen corresponding path program 1 times
[2020-10-24 00:05:09,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:09,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511947330]
[2020-10-24 00:05:09,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:09,995 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-24 00:05:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-24 00:05:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-24 00:05:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-24 00:05:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171
[2020-10-24 00:05:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181
[2020-10-24 00:05:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-24 00:05:10,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511947330]
[2020-10-24 00:05:10,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-24 00:05:10,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2020-10-24 00:05:10,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526950452]
[2020-10-24 00:05:10,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states
[2020-10-24 00:05:10,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:10,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2020-10-24 00:05:10,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210
[2020-10-24 00:05:10,292 INFO L87 Difference]: Start difference. First operand 326 states and 350 transitions. Second operand 15 states.
[2020-10-24 00:05:10,935 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:11,429 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:11,820 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-24 00:05:12,200 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:12,579 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:12,944 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:13,800 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:15,242 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:15,634 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:16,038 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:16,442 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211
[2020-10-24 00:05:16,816 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:17,177 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:17,543 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-24 00:05:17,967 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:18,397 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211
[2020-10-24 00:05:18,812 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:20,467 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:20,834 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:21,290 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:22,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:22,703 INFO L93 Difference]: Finished difference Result 1157 states and 1464 transitions.
[2020-10-24 00:05:22,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2020-10-24 00:05:22,704 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194
[2020-10-24 00:05:22,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:22,713 INFO L225 Difference]: With dead ends: 1157
[2020-10-24 00:05:22,713 INFO L226 Difference]: Without dead ends: 946
[2020-10-24 00:05:22,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722
[2020-10-24 00:05:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states.
[2020-10-24 00:05:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 647.
[2020-10-24 00:05:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states.
[2020-10-24 00:05:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 717 transitions.
[2020-10-24 00:05:23,129 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 717 transitions. Word has length 194
[2020-10-24 00:05:23,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:23,130 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 717 transitions.
[2020-10-24 00:05:23,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2020-10-24 00:05:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 717 transitions.
[2020-10-24 00:05:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2020-10-24 00:05:23,136 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:23,137 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:23,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-24 00:05:23,138 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]===
[2020-10-24 00:05:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:23,139 INFO L82 PathProgramCache]: Analyzing trace with hash -651953840, now seen corresponding path program 1 times
[2020-10-24 00:05:23,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:23,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226022916]
[2020-10-24 00:05:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,531 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-24 00:05:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-24 00:05:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-24 00:05:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-24 00:05:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-10-24 00:05:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192
[2020-10-24 00:05:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205
[2020-10-24 00:05:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2020-10-24 00:05:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217
[2020-10-24 00:05:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228
[2020-10-24 00:05:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238
[2020-10-24 00:05:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-10-24 00:05:23,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226022916]
[2020-10-24 00:05:23,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-10-24 00:05:23,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2020-10-24 00:05:23,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922946370]
[2020-10-24 00:05:23,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-10-24 00:05:23,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:23,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-10-24 00:05:23,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2020-10-24 00:05:23,810 INFO L87 Difference]: Start difference. First operand 647 states and 717 transitions. Second operand 12 states.
[2020-10-24 00:05:25,306 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:25,690 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-24 00:05:26,082 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-10-24 00:05:26,449 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:26,819 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:27,174 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:28,752 INFO L93 Difference]: Finished difference Result 1485 states and 1788 transitions.
[2020-10-24 00:05:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-10-24 00:05:28,754 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 251
[2020-10-24 00:05:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:28,761 INFO L225 Difference]: With dead ends: 1485
[2020-10-24 00:05:28,761 INFO L226 Difference]: Without dead ends: 953
[2020-10-24 00:05:28,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-10-24 00:05:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states.
[2020-10-24 00:05:29,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 671.
[2020-10-24 00:05:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states.
[2020-10-24 00:05:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 742 transitions.
[2020-10-24 00:05:29,046 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 742 transitions. Word has length 251
[2020-10-24 00:05:29,047 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:29,047 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 742 transitions.
[2020-10-24 00:05:29,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-10-24 00:05:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 742 transitions.
[2020-10-24 00:05:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247
[2020-10-24 00:05:29,052 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:29,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:29,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-24 00:05:29,053 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]===
[2020-10-24 00:05:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash -181328844, now seen corresponding path program 1 times
[2020-10-24 00:05:29,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:29,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253042965]
[2020-10-24 00:05:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,469 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-24 00:05:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-24 00:05:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-24 00:05:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-24 00:05:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-10-24 00:05:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200
[2020-10-24 00:05:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2020-10-24 00:05:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212
[2020-10-24 00:05:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223
[2020-10-24 00:05:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233
[2020-10-24 00:05:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-10-24 00:05:29,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253042965]
[2020-10-24 00:05:29,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-10-24 00:05:29,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2020-10-24 00:05:29,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002087966]
[2020-10-24 00:05:29,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states
[2020-10-24 00:05:29,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:29,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2020-10-24 00:05:29,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210
[2020-10-24 00:05:29,798 INFO L87 Difference]: Start difference. First operand 671 states and 742 transitions. Second operand 15 states.
[2020-10-24 00:05:30,581 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:30,956 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-24 00:05:31,324 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:31,707 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:32,056 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:33,082 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:33,448 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:33,811 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:34,194 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:34,555 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-24 00:05:36,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:36,069 INFO L93 Difference]: Finished difference Result 1343 states and 1606 transitions.
[2020-10-24 00:05:36,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2020-10-24 00:05:36,070 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 246
[2020-10-24 00:05:36,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:36,077 INFO L225 Difference]: With dead ends: 1343
[2020-10-24 00:05:36,077 INFO L226 Difference]: Without dead ends: 787
[2020-10-24 00:05:36,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756
[2020-10-24 00:05:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states.
[2020-10-24 00:05:36,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 571.
[2020-10-24 00:05:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states.
[2020-10-24 00:05:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 625 transitions.
[2020-10-24 00:05:36,389 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 625 transitions. Word has length 246
[2020-10-24 00:05:36,390 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:36,390 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 625 transitions.
[2020-10-24 00:05:36,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2020-10-24 00:05:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 625 transitions.
[2020-10-24 00:05:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257
[2020-10-24 00:05:36,397 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:36,398 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:36,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-24 00:05:36,398 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]===
[2020-10-24 00:05:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:36,399 INFO L82 PathProgramCache]: Analyzing trace with hash 467668641, now seen corresponding path program 1 times
[2020-10-24 00:05:36,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:36,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524499225]
[2020-10-24 00:05:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,790 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-10-24 00:05:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-10-24 00:05:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-10-24 00:05:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-24 00:05:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-24 00:05:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-10-24 00:05:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197
[2020-10-24 00:05:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210
[2020-10-24 00:05:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216
[2020-10-24 00:05:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2020-10-24 00:05:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233
[2020-10-24 00:05:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:36,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2020-10-24 00:05:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-10-24 00:05:37,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524499225]
[2020-10-24 00:05:37,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-10-24 00:05:37,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2020-10-24 00:05:37,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704313538]
[2020-10-24 00:05:37,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-24 00:05:37,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:37,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-24 00:05:37,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-10-24 00:05:37,010 INFO L87 Difference]: Start difference. First operand 571 states and 625 transitions. Second operand 9 states.
[2020-10-24 00:05:37,899 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:38,599 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:41,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:41,011 INFO L93 Difference]: Finished difference Result 1316 states and 1576 transitions.
[2020-10-24 00:05:41,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2020-10-24 00:05:41,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 256
[2020-10-24 00:05:41,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:41,018 INFO L225 Difference]: With dead ends: 1316
[2020-10-24 00:05:41,018 INFO L226 Difference]: Without dead ends: 945
[2020-10-24 00:05:41,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650
[2020-10-24 00:05:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states.
[2020-10-24 00:05:41,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 645.
[2020-10-24 00:05:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states.
[2020-10-24 00:05:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 712 transitions.
[2020-10-24 00:05:41,297 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 712 transitions. Word has length 256
[2020-10-24 00:05:41,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:41,298 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 712 transitions.
[2020-10-24 00:05:41,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-24 00:05:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 712 transitions.
[2020-10-24 00:05:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2020-10-24 00:05:41,301 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:41,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:41,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-24 00:05:41,302 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]===
[2020-10-24 00:05:41,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1175026851, now seen corresponding path program 1 times
[2020-10-24 00:05:41,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:41,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526727610]
[2020-10-24 00:05:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,751 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-24 00:05:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-24 00:05:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-24 00:05:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-24 00:05:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-24 00:05:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-24 00:05:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-10-24 00:05:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-10-24 00:05:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-10-24 00:05:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-24 00:05:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-24 00:05:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-10-24 00:05:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205
[2020-10-24 00:05:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211
[2020-10-24 00:05:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217
[2020-10-24 00:05:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-24 00:05:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228
[2020-10-24 00:05:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238
[2020-10-24 00:05:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-24 00:05:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-10-24 00:05:42,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526727610]
[2020-10-24 00:05:42,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-10-24 00:05:42,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2020-10-24 00:05:42,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521121250]
[2020-10-24 00:05:42,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-10-24 00:05:42,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-24 00:05:42,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-10-24 00:05:42,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2020-10-24 00:05:42,091 INFO L87 Difference]: Start difference. First operand 645 states and 712 transitions. Second operand 14 states.
[2020-10-24 00:05:42,721 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:43,718 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:44,972 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:45,360 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:45,751 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:46,126 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:46,475 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:46,827 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:47,201 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-24 00:05:47,587 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:47,990 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-24 00:05:48,377 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-24 00:05:49,569 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-24 00:05:49,924 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-24 00:05:51,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-24 00:05:51,154 INFO L93 Difference]: Finished difference Result 1610 states and 1979 transitions.
[2020-10-24 00:05:51,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2020-10-24 00:05:51,155 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 251
[2020-10-24 00:05:51,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-24 00:05:51,163 INFO L225 Difference]: With dead ends: 1610
[2020-10-24 00:05:51,164 INFO L226 Difference]: Without dead ends: 1165
[2020-10-24 00:05:51,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=499, Invalid=1307, Unknown=0, NotChecked=0, Total=1806
[2020-10-24 00:05:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states.
[2020-10-24 00:05:51,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 716.
[2020-10-24 00:05:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states.
[2020-10-24 00:05:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 796 transitions.
[2020-10-24 00:05:51,509 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 796 transitions. Word has length 251
[2020-10-24 00:05:51,509 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-24 00:05:51,510 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 796 transitions.
[2020-10-24 00:05:51,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-10-24 00:05:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 796 transitions.
[2020-10-24 00:05:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303
[2020-10-24 00:05:51,514 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-24 00:05:51,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-24 00:05:51,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-24 00:05:51,515 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]===
[2020-10-24 00:05:51,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-24 00:05:51,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1822018210, now seen corresponding path program 2 times
[2020-10-24 00:05:51,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-24 00:05:51,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598200451]
[2020-10-24 00:05:51,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-24 00:05:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-24 00:05:51,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-24 00:05:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-24 00:05:51,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-24 00:05:52,042 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-24 00:05:52,042 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-24 00:05:52,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-24 00:05:52,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:05:52 BoogieIcfgContainer
[2020-10-24 00:05:52,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-24 00:05:52,390 INFO L168 Benchmark]: Toolchain (without parser) took 60003.84 ms. Allocated memory was 158.3 MB in the beginning and 704.6 MB in the end (delta: 546.3 MB). Free memory was 133.3 MB in the beginning and 602.1 MB in the end (delta: -468.8 MB). Peak memory consumption was 422.3 MB. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,391 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 99.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.24 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 111.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,392 INFO L168 Benchmark]: Boogie Preprocessor took 156.62 ms. Allocated memory is still 158.3 MB. Free memory was 111.8 MB in the beginning and 139.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,396 INFO L168 Benchmark]: RCFGBuilder took 1695.64 ms. Allocated memory is still 158.3 MB. Free memory was 139.0 MB in the beginning and 78.3 MB in the end (delta: 60.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,399 INFO L168 Benchmark]: TraceAbstraction took 57595.55 ms. Allocated memory was 158.3 MB in the beginning and 704.6 MB in the end (delta: 546.3 MB). Free memory was 77.7 MB in the beginning and 602.1 MB in the end (delta: -524.3 MB). Peak memory consumption was 365.4 MB. Max. memory is 8.0 GB.
[2020-10-24 00:05:52,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 99.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 538.24 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 111.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 156.62 ms. Allocated memory is still 158.3 MB. Free memory was 111.8 MB in the beginning and 139.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1695.64 ms. Allocated memory is still 158.3 MB. Free memory was 139.0 MB in the beginning and 78.3 MB in the end (delta: 60.7 MB). Peak memory consumption was 61.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 57595.55 ms. Allocated memory was 158.3 MB in the beginning and 704.6 MB in the end (delta: 546.3 MB). Free memory was 77.7 MB in the beginning and 602.1 MB in the end (delta: -524.3 MB). Peak memory consumption was 365.4 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L71] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:162}, methaneLevelCritical=146, pumpRunning=141, systemActive=140, waterLevel=144]
[L284] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:162}, methaneLevelCritical=146, pumpRunning=0, systemActive=140, waterLevel=144]
[L285] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=174, \old(head)=182, \old(head)=162, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:162}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=144]
[L444] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:162}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=1]
[L445] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:162}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L716] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=182, \old(head)=162, \old(methaneLevelCritical)=146, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L152] 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]
[L153] 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]
[L157] 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]
[L158] 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]
[L159] 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]
[L201] 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]
[L204] 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]
[L205] 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]
[L159] 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]
[L159] 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]
[L161] 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]
[L163] 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]
[L164] 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]
[L143] 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]
[L212] 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]
[L213] 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]
[L214] 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]
[L215] 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]
[L216] 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]
[L219] 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]
[L221] 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]
[L223] 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]
[L229] 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]
[L231] 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]
[L233] 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]
[L462] 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]
[L463] 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]
[L233] 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]
[L239] 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]
[L241] 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]
[L249] tmp___2 = __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___2=1, waterLevel=2]
[L251] COND TRUE \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=1, waterLevel=2]
[L253] CALL startSystem()
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]
[L439] systemActive = 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]
[L253] RET startSystem()
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=1, waterLevel=2]
[L266] 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=1, waterLevel=2]
[L291] 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=1, waterLevel=2]
[L298] COND TRUE \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=1, waterLevel=2]
[L300] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L320] 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=1, waterLevel=2]
[L323] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L325] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L417] 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=1, waterLevel=2]
[L418] 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=1, waterLevel=2]
[L419] 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=1, waterLevel=2]
[L423] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L524] 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=1, waterLevel=2]
[L527] COND FALSE !(waterLevel < 2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L531] retValue_acc = 0
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=1, waterLevel=2]
[L532] 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=1, waterLevel=2]
[L423] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L423] tmp = isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L425] 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=1, tmp=0, waterLevel=2]
[L428] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L430] retValue_acc = tmp___0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L431] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L325] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L325] tmp = isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L327] COND TRUE \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=1, tmp=1, waterLevel=2]
[L329] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L348] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L329] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L300] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L306] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L46] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L47] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L51] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L515] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L518] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L519] 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=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L51] 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=1, systemActive=1, waterLevel=2]
[L51] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L53] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L306] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L266] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L221] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L223] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L229] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L231] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L239] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L241] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L249] tmp___2 = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L251] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L253] CALL startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L439] systemActive = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L253] RET startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L266] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L291] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L293] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L450] COND TRUE waterLevel > 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L451] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L293] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L298] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L300] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L320] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L323] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L338] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L300] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L306] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L46] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L47] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L51] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L515] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L518] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L519] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L51] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L51] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L53] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L306] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L266] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L221] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L223] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L229] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L231] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L239] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L241] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L249] tmp___2 = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L251] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L253] CALL startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L439] systemActive = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L253] RET startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L266] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L291] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L293] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L450] COND TRUE waterLevel > 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L451] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L293] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L298] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L300] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L320] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L323] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L338] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L300] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L306] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L46] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L47] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L51] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L515] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L518] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L519] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L51] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L51] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L53] COND TRUE tmp == 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L55] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L372] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L375] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L376] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L55] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L55] tmp___0 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L57] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L59] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L542] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L3] __assert_fail("0", "minepump_spec4_product34.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 623 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 47.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2196 SDtfs, 6652 SDslu, 5284 SDs, 0 SdLazy, 9625 SolverSat, 2230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 489 GetRequests, 299 SyntacticMatches, 9 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1070 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=716occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1803 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2129 NumberOfCodeBlocks, 2129 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1818 ConstructedInterpolants, 0 QuantifiedInterpolants, 889570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 151/161 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...