/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_spec1_product36.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-b8ad66e
[2020-10-23 23:42:57,629 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-23 23:42:57,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-23 23:42:57,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-23 23:42:57,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-23 23:42:57,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-23 23:42:57,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-23 23:42:57,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-23 23:42:57,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-23 23:42:57,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-23 23:42:57,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-23 23:42:57,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-23 23:42:57,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-23 23:42:57,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-23 23:42:57,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-23 23:42:57,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-23 23:42:57,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-23 23:42:57,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-23 23:42:57,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-23 23:42:57,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-23 23:42:57,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-23 23:42:57,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-23 23:42:57,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-23 23:42:57,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-23 23:42:57,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-23 23:42:57,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-23 23:42:57,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-23 23:42:57,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-23 23:42:57,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-23 23:42:57,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-23 23:42:57,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-23 23:42:57,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-23 23:42:57,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-23 23:42:57,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-23 23:42:57,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-23 23:42:57,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-23 23:42:57,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-23 23:42:57,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-23 23:42:57,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-23 23:42:57,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-23 23:42:57,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-23 23:42:57,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-10-23 23:42:57,792 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-23 23:42:57,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-23 23:42:57,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-23 23:42:57,794 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-23 23:42:57,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-23 23:42:57,795 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-23 23:42:57,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-23 23:42:57,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-23 23:42:57,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-23 23:42:57,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-23 23:42:57,796 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-23 23:42:57,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-23 23:42:57,796 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-23 23:42:57,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-23 23:42:57,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-23 23:42:57,797 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-10-23 23:42:57,797 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-23 23:42:57,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-23 23:42:57,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:42:57,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-23 23:42:57,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-10-23 23:42:57,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-23 23:42:57,798 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-10-23 23:42:58,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-23 23:42:58,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-23 23:42:58,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-23 23:42:58,186 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-23 23:42:58,187 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-23 23:42:58,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c
[2020-10-23 23:42:58,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdebb43/8e6a52ae5f754da0b10eb8ddfe375bab/FLAG1778f5979
[2020-10-23 23:42:59,034 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-23 23:42:59,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c
[2020-10-23 23:42:59,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdebb43/8e6a52ae5f754da0b10eb8ddfe375bab/FLAG1778f5979
[2020-10-23 23:42:59,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdebb43/8e6a52ae5f754da0b10eb8ddfe375bab
[2020-10-23 23:42:59,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-23 23:42:59,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-23 23:42:59,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-23 23:42:59,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-23 23:42:59,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-23 23:42:59,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:42:59" (1/1) ...
[2020-10-23 23:42:59,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228a6f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:42:59, skipping insertion in model container
[2020-10-23 23:42:59,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:42:59" (1/1) ...
[2020-10-23 23:42:59,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-23 23:42:59,381 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-23 23:42:59,865 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:42:59,886 INFO L203 MainTranslator]: Completed pre-run
[2020-10-23 23:43:00,026 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-23 23:43:00,074 INFO L208 MainTranslator]: Completed translation
[2020-10-23 23:43:00,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00 WrapperNode
[2020-10-23 23:43:00,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-23 23:43:00,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-23 23:43:00,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-23 23:43:00,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-23 23:43:00,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
[2020-10-23 23:43:00,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-23 23:43:00,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-23 23:43:00,264 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-23 23:43:00,264 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-23 23:43:00,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-23 23:43:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-23 23:43:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-23 23:43:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-10-23 23:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-10-23 23:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-10-23 23:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-10-23 23:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-10-23 23:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-10-23 23:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-10-23 23:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-10-23 23:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-10-23 23:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-10-23 23:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-10-23 23:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-10-23 23:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-10-23 23:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-23 23:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-10-23 23:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-23 23:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-10-23 23:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-10-23 23:43:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-10-23 23:43:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-10-23 23:43:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-23 23:43:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-10-23 23:43:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-10-23 23:43:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-23 23:43:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-23 23:43:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-23 23:43:01,452 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-23 23:43:01,453 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-10-23 23:43:01,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:43:01 BoogieIcfgContainer
[2020-10-23 23:43:01,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-23 23:43:01,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-23 23:43:01,458 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-23 23:43:01,462 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-23 23:43:01,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:42:59" (1/3) ...
[2020-10-23 23:43:01,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a79ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:43:01, skipping insertion in model container
[2020-10-23 23:43:01,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:43:00" (2/3) ...
[2020-10-23 23:43:01,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a79ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:43:01, skipping insertion in model container
[2020-10-23 23:43:01,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:43:01" (3/3) ...
[2020-10-23 23:43:01,466 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c
[2020-10-23 23:43:01,478 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-23 23:43:01,484 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-10-23 23:43:01,497 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-10-23 23:43:01,522 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-23 23:43:01,522 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-23 23:43:01,522 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-23 23:43:01,522 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-23 23:43:01,523 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-23 23:43:01,523 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-23 23:43:01,523 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-23 23:43:01,523 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-23 23:43:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states.
[2020-10-23 23:43:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2020-10-23 23:43:01,565 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:01,566 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]
[2020-10-23 23:43:01,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:01,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash 201630041, now seen corresponding path program 1 times
[2020-10-23 23:43:01,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:01,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487150994]
[2020-10-23 23:43:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,360 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-23 23:43:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-10-23 23:43:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:02,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487150994]
[2020-10-23 23:43:02,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:02,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-23 23:43:02,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008776053]
[2020-10-23 23:43:02,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-23 23:43:02,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-23 23:43:02,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-23 23:43:02,592 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 3 states.
[2020-10-23 23:43:04,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:04,246 INFO L93 Difference]: Finished difference Result 458 states and 545 transitions.
[2020-10-23 23:43:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-23 23:43:04,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148
[2020-10-23 23:43:04,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:04,266 INFO L225 Difference]: With dead ends: 458
[2020-10-23 23:43:04,266 INFO L226 Difference]: Without dead ends: 288
[2020-10-23 23:43:04,271 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
[2020-10-23 23:43:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states.
[2020-10-23 23:43:04,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 246.
[2020-10-23 23:43:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states.
[2020-10-23 23:43:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 265 transitions.
[2020-10-23 23:43:04,458 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 265 transitions. Word has length 148
[2020-10-23 23:43:04,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:04,459 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 265 transitions.
[2020-10-23 23:43:04,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-23 23:43:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 265 transitions.
[2020-10-23 23:43:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-10-23 23:43:04,465 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:04,465 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]
[2020-10-23 23:43:04,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-23 23:43:04,466 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:04,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:04,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1206683557, now seen corresponding path program 1 times
[2020-10-23 23:43:04,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:04,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757701836]
[2020-10-23 23:43:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,013 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2020-10-23 23:43:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-10-23 23:43:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:05,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757701836]
[2020-10-23 23:43:05,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:05,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-23 23:43:05,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126153936]
[2020-10-23 23:43:05,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-23 23:43:05,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:05,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-23 23:43:05,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-23 23:43:05,153 INFO L87 Difference]: Start difference. First operand 246 states and 265 transitions. Second operand 4 states.
[2020-10-23 23:43:06,000 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:07,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:07,043 INFO L93 Difference]: Finished difference Result 359 states and 402 transitions.
[2020-10-23 23:43:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-23 23:43:07,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149
[2020-10-23 23:43:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:07,048 INFO L225 Difference]: With dead ends: 359
[2020-10-23 23:43:07,048 INFO L226 Difference]: Without dead ends: 271
[2020-10-23 23:43:07,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-23 23:43:07,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2020-10-23 23:43:07,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 236.
[2020-10-23 23:43:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states.
[2020-10-23 23:43:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 252 transitions.
[2020-10-23 23:43:07,175 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 252 transitions. Word has length 149
[2020-10-23 23:43:07,175 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:07,176 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 252 transitions.
[2020-10-23 23:43:07,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-23 23:43:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 252 transitions.
[2020-10-23 23:43:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-10-23 23:43:07,179 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:07,179 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]
[2020-10-23 23:43:07,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-23 23:43:07,180 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:07,181 INFO L82 PathProgramCache]: Analyzing trace with hash 135240494, now seen corresponding path program 1 times
[2020-10-23 23:43:07,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:07,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919193382]
[2020-10-23 23:43:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,680 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:07,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-10-23 23:43:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-10-23 23:43:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-10-23 23:43:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:07,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919193382]
[2020-10-23 23:43:07,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:07,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-23 23:43:07,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100688283]
[2020-10-23 23:43:07,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-23 23:43:07,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:07,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-23 23:43:07,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-23 23:43:07,912 INFO L87 Difference]: Start difference. First operand 236 states and 252 transitions. Second operand 10 states.
[2020-10-23 23:43:08,532 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:09,008 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:43:09,408 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210
[2020-10-23 23:43:09,831 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:10,221 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:43:10,665 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:11,779 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:14,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:14,296 INFO L93 Difference]: Finished difference Result 630 states and 731 transitions.
[2020-10-23 23:43:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-10-23 23:43:14,300 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162
[2020-10-23 23:43:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:14,305 INFO L225 Difference]: With dead ends: 630
[2020-10-23 23:43:14,305 INFO L226 Difference]: Without dead ends: 509
[2020-10-23 23:43:14,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342
[2020-10-23 23:43:14,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states.
[2020-10-23 23:43:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 404.
[2020-10-23 23:43:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states.
[2020-10-23 23:43:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 446 transitions.
[2020-10-23 23:43:14,550 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 446 transitions. Word has length 162
[2020-10-23 23:43:14,551 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:14,551 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 446 transitions.
[2020-10-23 23:43:14,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-23 23:43:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 446 transitions.
[2020-10-23 23:43:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-10-23 23:43:14,554 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:14,554 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]
[2020-10-23 23:43:14,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-23 23:43:14,555 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1048228152, now seen corresponding path program 1 times
[2020-10-23 23:43:14,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:14,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427046526]
[2020-10-23 23:43:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:14,972 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:14,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-10-23 23:43:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-10-23 23:43:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-10-23 23:43:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:15,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427046526]
[2020-10-23 23:43:15,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:15,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-10-23 23:43:15,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228976835]
[2020-10-23 23:43:15,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-23 23:43:15,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:15,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-23 23:43:15,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-10-23 23:43:15,128 INFO L87 Difference]: Start difference. First operand 404 states and 446 transitions. Second operand 9 states.
[2020-10-23 23:43:15,775 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:17,475 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:17,883 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:43:18,355 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:18,759 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:19,213 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:43:19,618 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:20,020 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:20,622 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:21,834 INFO L93 Difference]: Finished difference Result 1091 states and 1303 transitions.
[2020-10-23 23:43:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-10-23 23:43:21,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167
[2020-10-23 23:43:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:21,841 INFO L225 Difference]: With dead ends: 1091
[2020-10-23 23:43:21,842 INFO L226 Difference]: Without dead ends: 802
[2020-10-23 23:43:21,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-10-23 23:43:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states.
[2020-10-23 23:43:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 653.
[2020-10-23 23:43:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states.
[2020-10-23 23:43:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 732 transitions.
[2020-10-23 23:43:22,186 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 732 transitions. Word has length 167
[2020-10-23 23:43:22,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:22,187 INFO L481 AbstractCegarLoop]: Abstraction has 653 states and 732 transitions.
[2020-10-23 23:43:22,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-23 23:43:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 732 transitions.
[2020-10-23 23:43:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-10-23 23:43:22,191 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:22,191 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]
[2020-10-23 23:43:22,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-23 23:43:22,191 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:22,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:22,192 INFO L82 PathProgramCache]: Analyzing trace with hash -437705597, now seen corresponding path program 1 times
[2020-10-23 23:43:22,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:22,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049891467]
[2020-10-23 23:43:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,627 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:22,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-23 23:43:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-10-23 23:43:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-10-23 23:43:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159
[2020-10-23 23:43:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:22,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049891467]
[2020-10-23 23:43:22,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:22,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-10-23 23:43:22,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357595770]
[2020-10-23 23:43:22,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-23 23:43:22,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:22,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-23 23:43:22,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-10-23 23:43:22,818 INFO L87 Difference]: Start difference. First operand 653 states and 732 transitions. Second operand 10 states.
[2020-10-23 23:43:23,496 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:25,158 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:25,609 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:43:26,029 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:26,466 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208
[2020-10-23 23:43:26,894 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:27,745 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:28,140 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:28,684 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:29,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:29,905 INFO L93 Difference]: Finished difference Result 1726 states and 2100 transitions.
[2020-10-23 23:43:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-10-23 23:43:29,906 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172
[2020-10-23 23:43:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:29,915 INFO L225 Difference]: With dead ends: 1726
[2020-10-23 23:43:29,915 INFO L226 Difference]: Without dead ends: 1188
[2020-10-23 23:43:29,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-10-23 23:43:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states.
[2020-10-23 23:43:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 943.
[2020-10-23 23:43:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states.
[2020-10-23 23:43:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1079 transitions.
[2020-10-23 23:43:30,341 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1079 transitions. Word has length 172
[2020-10-23 23:43:30,342 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:30,342 INFO L481 AbstractCegarLoop]: Abstraction has 943 states and 1079 transitions.
[2020-10-23 23:43:30,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-23 23:43:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1079 transitions.
[2020-10-23 23:43:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-10-23 23:43:30,346 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:30,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:43:30,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-23 23:43:30,347 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-23 23:43:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:30,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1498653855, now seen corresponding path program 1 times
[2020-10-23 23:43:30,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:30,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275689721]
[2020-10-23 23:43:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,783 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:30,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-23 23:43:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-10-23 23:43:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-10-23 23:43:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 23:43:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:30,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-23 23:43:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-23 23:43:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:31,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-10-23 23:43:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-10-23 23:43:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:31,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275689721]
[2020-10-23 23:43:31,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:31,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2020-10-23 23:43:31,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159829711]
[2020-10-23 23:43:31,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-10-23 23:43:31,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:31,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-10-23 23:43:31,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2020-10-23 23:43:31,089 INFO L87 Difference]: Start difference. First operand 943 states and 1079 transitions. Second operand 14 states.
[2020-10-23 23:43:31,880 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:32,269 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-23 23:43:32,674 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:33,051 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:43:33,423 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:34,697 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:35,106 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:43:35,551 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:36,014 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:43:36,394 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:39,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:39,033 INFO L93 Difference]: Finished difference Result 2387 states and 3047 transitions.
[2020-10-23 23:43:39,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2020-10-23 23:43:39,033 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 200
[2020-10-23 23:43:39,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:39,046 INFO L225 Difference]: With dead ends: 2387
[2020-10-23 23:43:39,046 INFO L226 Difference]: Without dead ends: 1559
[2020-10-23 23:43:39,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756
[2020-10-23 23:43:39,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states.
[2020-10-23 23:43:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 973.
[2020-10-23 23:43:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states.
[2020-10-23 23:43:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1109 transitions.
[2020-10-23 23:43:39,455 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1109 transitions. Word has length 200
[2020-10-23 23:43:39,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:39,456 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1109 transitions.
[2020-10-23 23:43:39,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-10-23 23:43:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1109 transitions.
[2020-10-23 23:43:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-10-23 23:43:39,460 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:39,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:43:39,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-23 23:43:39,461 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]===
[2020-10-23 23:43:39,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:39,462 INFO L82 PathProgramCache]: Analyzing trace with hash -358860031, now seen corresponding path program 1 times
[2020-10-23 23:43:39,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:39,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891990209]
[2020-10-23 23:43:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,827 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:39,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-23 23:43:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-10-23 23:43:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-10-23 23:43:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 23:43:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-23 23:43:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-23 23:43:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-10-23 23:43:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:39,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-10-23 23:43:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:40,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891990209]
[2020-10-23 23:43:40,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:40,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-10-23 23:43:40,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309193021]
[2020-10-23 23:43:40,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-10-23 23:43:40,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:40,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-10-23 23:43:40,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-10-23 23:43:40,026 INFO L87 Difference]: Start difference. First operand 973 states and 1109 transitions. Second operand 11 states.
[2020-10-23 23:43:41,768 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-10-23 23:43:42,174 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-10-23 23:43:42,630 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 212
[2020-10-23 23:43:43,067 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:43,507 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207
[2020-10-23 23:43:43,911 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-10-23 23:43:46,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:46,064 INFO L93 Difference]: Finished difference Result 2429 states and 3030 transitions.
[2020-10-23 23:43:46,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-10-23 23:43:46,065 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200
[2020-10-23 23:43:46,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:46,076 INFO L225 Difference]: With dead ends: 2429
[2020-10-23 23:43:46,076 INFO L226 Difference]: Without dead ends: 1571
[2020-10-23 23:43:46,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-10-23 23:43:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states.
[2020-10-23 23:43:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1005.
[2020-10-23 23:43:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states.
[2020-10-23 23:43:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1141 transitions.
[2020-10-23 23:43:46,618 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1141 transitions. Word has length 200
[2020-10-23 23:43:46,619 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:46,619 INFO L481 AbstractCegarLoop]: Abstraction has 1005 states and 1141 transitions.
[2020-10-23 23:43:46,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-10-23 23:43:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1141 transitions.
[2020-10-23 23:43:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-10-23 23:43:46,625 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:46,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:43:46,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-23 23:43:46,625 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]===
[2020-10-23 23:43:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash 665190750, now seen corresponding path program 1 times
[2020-10-23 23:43:46,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:46,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056356380]
[2020-10-23 23:43:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,094 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-10-23 23:43:47,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-10-23 23:43:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-10-23 23:43:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2020-10-23 23:43:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-10-23 23:43:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2020-10-23 23:43:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2020-10-23 23:43:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-10-23 23:43:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-10-23 23:43:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-10-23 23:43:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-10-23 23:43:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-10-23 23:43:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2020-10-23 23:43:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187
[2020-10-23 23:43:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-23 23:43:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-23 23:43:47,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056356380]
[2020-10-23 23:43:47,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-23 23:43:47,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-10-23 23:43:47,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100417272]
[2020-10-23 23:43:47,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-23 23:43:47,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-10-23 23:43:47,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-23 23:43:47,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-10-23 23:43:47,302 INFO L87 Difference]: Start difference. First operand 1005 states and 1141 transitions. Second operand 8 states.
[2020-10-23 23:43:48,046 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:48,861 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-10-23 23:43:54,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-23 23:43:54,217 INFO L93 Difference]: Finished difference Result 3935 states and 5024 transitions.
[2020-10-23 23:43:54,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2020-10-23 23:43:54,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200
[2020-10-23 23:43:54,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-23 23:43:54,237 INFO L225 Difference]: With dead ends: 3935
[2020-10-23 23:43:54,238 INFO L226 Difference]: Without dead ends: 3045
[2020-10-23 23:43:54,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600
[2020-10-23 23:43:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states.
[2020-10-23 23:43:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2145.
[2020-10-23 23:43:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states.
[2020-10-23 23:43:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2469 transitions.
[2020-10-23 23:43:55,276 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2469 transitions. Word has length 200
[2020-10-23 23:43:55,276 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-23 23:43:55,276 INFO L481 AbstractCegarLoop]: Abstraction has 2145 states and 2469 transitions.
[2020-10-23 23:43:55,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-23 23:43:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2469 transitions.
[2020-10-23 23:43:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2020-10-23 23:43:55,282 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-23 23:43:55,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-23 23:43:55,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-23 23:43:55,282 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]===
[2020-10-23 23:43:55,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-23 23:43:55,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1804660302, now seen corresponding path program 1 times
[2020-10-23 23:43:55,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-10-23 23:43:55,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705450429]
[2020-10-23 23:43:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-23 23:43:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:43:55,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:43:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-23 23:43:55,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-23 23:43:55,669 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-10-23 23:43:55,670 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-10-23 23:43:55,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-23 23:43:56,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:43:56 BoogieIcfgContainer
[2020-10-23 23:43:56,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-23 23:43:56,023 INFO L168 Benchmark]: Toolchain (without parser) took 56754.38 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 126.6 MB in the beginning and 713.0 MB in the end (delta: -586.3 MB). Peak memory consumption was 204.7 MB. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,028 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.17 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,035 INFO L168 Benchmark]: Boogie Preprocessor took 187.09 ms. Allocated memory is still 151.0 MB. Free memory was 105.5 MB in the beginning and 132.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,036 INFO L168 Benchmark]: RCFGBuilder took 1191.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 89.7 MB in the end (delta: 43.1 MB). Peak memory consumption was 64.3 MB. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,036 INFO L168 Benchmark]: TraceAbstraction took 54562.69 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 89.2 MB in the beginning and 713.0 MB in the end (delta: -623.8 MB). Peak memory consumption was 166.9 MB. Max. memory is 8.0 GB.
[2020-10-23 23:43:56,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 797.17 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 105.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 187.09 ms. Allocated memory is still 151.0 MB. Free memory was 105.5 MB in the beginning and 132.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1191.85 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 89.7 MB in the end (delta: 43.1 MB). Peak memory consumption was 64.3 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 54562.69 ms. Allocated memory was 151.0 MB in the beginning and 941.6 MB in the end (delta: 790.6 MB). Free memory was 89.2 MB in the beginning and 713.0 MB in the end (delta: -623.8 MB). Peak memory consumption was 166.9 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L62] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=177, \old(head)=182, \old(head)=167, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=177, head={182:167}, methaneLevelCritical=148, pumpRunning=0, systemActive=137, waterLevel=144]
[L63] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=177, \old(head)=182, \old(head)=167, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=177, head={182:167}, methaneLevelCritical=148, pumpRunning=0, systemActive=1, waterLevel=144]
[L241] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=177, \old(head)=167, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=177, head={182:167}, methaneLevelCritical=148, pumpRunning=0, systemActive=1, waterLevel=1]
[L242] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=177, \old(head)=167, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=177, head={182:167}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L612] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=177, \old(head)=167, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=177, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L835] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=177, \old(head)=167, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L908] 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]
[L909] 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]
[L913] 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]
[L914] 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]
[L915] 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]
[L434] 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]
[L437] 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]
[L438] 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]
[L915] 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]
[L915] 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]
[L917] 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]
[L919] 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]
[L920] 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]
[L902] 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]
[L337] 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]
[L338] 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]
[L339] 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]
[L340] 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]
[L341] 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]
[L344] 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]
[L346] 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]
[L348] 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]
[L354] 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]
[L356] 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]
[L358] 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]
[L259] 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]
[L260] 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]
[L358] 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]
[L364] tmp___0 = __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=1, waterLevel=2]
[L366] COND TRUE \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=1, waterLevel=2]
[L368] CALL changeMethaneLevel()
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]
[L271] COND FALSE !(\read(methaneLevelCritical))
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]
[L274] methaneLevelCritical = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L368] RET changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L374] 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=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L376] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L378] CALL startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L233] systemActive = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L378] RET startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L393] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L70] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L77] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L79] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L99] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L102] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L104] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L196] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L197] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L198] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L202] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L321] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L324] COND FALSE !(waterLevel < 2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L328] retValue_acc = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L329] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L202] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L202] tmp = isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L204] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L207] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L209] retValue_acc = tmp___0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L210] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L104] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L104] tmp = isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L106] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L108] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L127] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L108] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L79] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L85] CALL __utac_acc__Specification1_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L810] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L811] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L815] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L280] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L283] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L284] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L815] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L815] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L817] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L819] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L151] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L154] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L155] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L819] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L819] tmp___0 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L821] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L823] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L46] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L3] __assert_fail("0", "minepump_spec1_product36.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 40 procedures, 629 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 44.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1919 SDtfs, 4141 SDslu, 4369 SDs, 0 SdLazy, 8321 SolverSat, 1298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 20.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2145occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 2628 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1603 NumberOfCodeBlocks, 1603 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1390 ConstructedInterpolants, 0 QuantifiedInterpolants, 620405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...