/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-7d8eed3
[2020-11-06 21:34:50,800 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-11-06 21:34:50,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-06 21:34:50,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-06 21:34:50,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-06 21:34:50,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-06 21:34:50,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-06 21:34:50,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-06 21:34:50,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-06 21:34:50,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-06 21:34:50,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-11-06 21:34:50,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-06 21:34:50,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-06 21:34:50,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-06 21:34:50,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-06 21:34:50,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-06 21:34:50,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-06 21:34:50,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-06 21:34:50,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-06 21:34:50,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-06 21:34:50,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-06 21:34:50,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-06 21:34:50,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-11-06 21:34:50,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-06 21:34:50,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-06 21:34:50,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-06 21:34:50,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-06 21:34:50,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-06 21:34:50,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-06 21:34:50,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-06 21:34:50,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-06 21:34:50,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-06 21:34:50,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-06 21:34:50,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-06 21:34:50,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-06 21:34:50,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-06 21:34:50,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-06 21:34:50,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-06 21:34:50,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-06 21:34:50,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-06 21:34:50,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-11-06 21:34:50,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-11-06 21:34:50,916 INFO L113 SettingsManager]: Loading preferences was successful
[2020-11-06 21:34:50,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-06 21:34:50,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-06 21:34:50,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-11-06 21:34:50,919 INFO L138 SettingsManager]: * Use SBE=true
[2020-11-06 21:34:50,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-06 21:34:50,920 INFO L138 SettingsManager]: * sizeof long=4
[2020-11-06 21:34:50,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-11-06 21:34:50,920 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-11-06 21:34:50,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-11-06 21:34:50,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-11-06 21:34:50,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-06 21:34:50,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-11-06 21:34:50,921 INFO L138 SettingsManager]: * sizeof long double=12
[2020-11-06 21:34:50,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-11-06 21:34:50,922 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-11-06 21:34:50,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-11-06 21:34:50,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-06 21:34:50,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-11-06 21:34:50,923 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-11-06 21:34:50,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-11-06 21:34:50,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 21:34:50,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-06 21:34:50,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-11-06 21:34:50,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-11-06 21:34:50,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-11-06 21:34:50,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-06 21:34:50,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-11-06 21:34:50,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-11-06 21:34:50,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-11-06 21:34:51,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-06 21:34:51,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-06 21:34:51,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-06 21:34:51,345 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-11-06 21:34:51,346 INFO L275 PluginConnector]: CDTParser initialized
[2020-11-06 21:34:51,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c
[2020-11-06 21:34:51,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd7dabf3/5b1624d0f3344c4fb12d9f821e78fae0/FLAG94b19c2fc
[2020-11-06 21:34:52,067 INFO L306 CDTParser]: Found 1 translation units.
[2020-11-06 21:34:52,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c
[2020-11-06 21:34:52,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd7dabf3/5b1624d0f3344c4fb12d9f821e78fae0/FLAG94b19c2fc
[2020-11-06 21:34:52,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd7dabf3/5b1624d0f3344c4fb12d9f821e78fae0
[2020-11-06 21:34:52,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-06 21:34:52,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-11-06 21:34:52,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-06 21:34:52,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-06 21:34:52,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-06 21:34:52,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:52" (1/1) ...
[2020-11-06 21:34:52,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49acb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:52, skipping insertion in model container
[2020-11-06 21:34:52,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:52" (1/1) ...
[2020-11-06 21:34:52,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-11-06 21:34:52,477 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-11-06 21:34:52,829 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:34:52,841 INFO L203 MainTranslator]: Completed pre-run
[2020-11-06 21:34:52,954 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-11-06 21:34:53,015 INFO L208 MainTranslator]: Completed translation
[2020-11-06 21:34:53,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53 WrapperNode
[2020-11-06 21:34:53,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-06 21:34:53,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-06 21:34:53,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-06 21:34:53,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-11-06 21:34:53,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
[2020-11-06 21:34:53,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-06 21:34:53,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-06 21:34:53,150 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-11-06 21:34:53,150 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-11-06 21:34:53,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-06 21:34:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-06 21:34:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-06 21:34:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:34:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-06 21:34:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-11-06 21:34:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-11-06 21:34:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-11-06 21:34:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-11-06 21:34:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-11-06 21:34:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-11-06 21:34:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-11-06 21:34:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-11-06 21:34:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-11-06 21:34:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-11-06 21:34:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-11-06 21:34:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-11-06 21:34:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-06 21:34:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-11-06 21:34:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-11-06 21:34:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-11-06 21:34:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-11-06 21:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-11-06 21:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-11-06 21:34:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-11-06 21:34:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-11-06 21:34:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-11-06 21:34:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-11-06 21:34:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-06 21:34:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-06 21:34:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-06 21:34:54,768 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-06 21:34:54,769 INFO L298 CfgBuilder]: Removed 5 assume(true) statements.
[2020-11-06 21:34:54,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:54 BoogieIcfgContainer
[2020-11-06 21:34:54,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-06 21:34:54,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-06 21:34:54,775 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-11-06 21:34:54,780 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-11-06 21:34:54,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:52" (1/3) ...
[2020-11-06 21:34:54,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2a8cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:54, skipping insertion in model container
[2020-11-06 21:34:54,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:53" (2/3) ...
[2020-11-06 21:34:54,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2a8cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:54, skipping insertion in model container
[2020-11-06 21:34:54,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:54" (3/3) ...
[2020-11-06 21:34:54,785 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44.cil.c
[2020-11-06 21:34:54,805 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-06 21:34:54,810 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2020-11-06 21:34:54,822 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-11-06 21:34:54,863 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-11-06 21:34:54,864 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-11-06 21:34:54,864 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-06 21:34:54,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-06 21:34:54,865 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-06 21:34:54,866 INFO L382 AbstractCegarLoop]: Difference is false
[2020-11-06 21:34:54,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-06 21:34:54,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-06 21:34:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states.
[2020-11-06 21:34:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-11-06 21:34:54,896 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:34:54,897 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]
[2020-11-06 21:34:54,897 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:34:54,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:34:54,904 INFO L82 PathProgramCache]: Analyzing trace with hash -641568922, now seen corresponding path program 1 times
[2020-11-06 21:34:54,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:34:54,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688332984]
[2020-11-06 21:34:54,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:34:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,051 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:34:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:34:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:34:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:34:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:34:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:34:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-11-06 21:34:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:34:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:34:56,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688332984]
[2020-11-06 21:34:56,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:34:56,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-06 21:34:56,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102662544]
[2020-11-06 21:34:56,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-06 21:34:56,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:34:56,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-06 21:34:56,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-06 21:34:56,186 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states.
[2020-11-06 21:34:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:34:57,871 INFO L93 Difference]: Finished difference Result 309 states and 400 transitions.
[2020-11-06 21:34:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-11-06 21:34:57,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-11-06 21:34:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:34:57,887 INFO L225 Difference]: With dead ends: 309
[2020-11-06 21:34:57,887 INFO L226 Difference]: Without dead ends: 166
[2020-11-06 21:34:57,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-06 21:34:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2020-11-06 21:34:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 131.
[2020-11-06 21:34:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states.
[2020-11-06 21:34:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions.
[2020-11-06 21:34:57,988 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47
[2020-11-06 21:34:57,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:34:57,989 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions.
[2020-11-06 21:34:57,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-06 21:34:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions.
[2020-11-06 21:34:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-11-06 21:34:57,992 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:34:57,993 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]
[2020-11-06 21:34:57,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-06 21:34:57,993 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:34:57,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:34:57,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1517272378, now seen corresponding path program 1 times
[2020-11-06 21:34:57,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:34:57,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230802097]
[2020-11-06 21:34:57,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:34:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,507 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:34:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:34:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:34:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:34:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:34:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:34:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:34:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-11-06 21:34:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:34:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:34:58,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230802097]
[2020-11-06 21:34:58,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:34:58,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-06 21:34:58,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399320065]
[2020-11-06 21:34:58,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-11-06 21:34:58,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:34:58,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-11-06 21:34:58,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-11-06 21:34:58,556 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 4 states.
[2020-11-06 21:34:59,117 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:00,140 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions.
[2020-11-06 21:35:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-11-06 21:35:00,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48
[2020-11-06 21:35:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:00,143 INFO L225 Difference]: With dead ends: 226
[2020-11-06 21:35:00,144 INFO L226 Difference]: Without dead ends: 150
[2020-11-06 21:35:00,148 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
[2020-11-06 21:35:00,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2020-11-06 21:35:00,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 122.
[2020-11-06 21:35:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states.
[2020-11-06 21:35:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions.
[2020-11-06 21:35:00,210 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 48
[2020-11-06 21:35:00,210 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:00,210 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions.
[2020-11-06 21:35:00,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-11-06 21:35:00,211 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions.
[2020-11-06 21:35:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-11-06 21:35:00,213 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:00,213 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]
[2020-11-06 21:35:00,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-06 21:35:00,213 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:35:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:00,214 INFO L82 PathProgramCache]: Analyzing trace with hash 138622428, now seen corresponding path program 1 times
[2020-11-06 21:35:00,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:00,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614370680]
[2020-11-06 21:35:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,689 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:00,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-11-06 21:35:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:35:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:35:00,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614370680]
[2020-11-06 21:35:00,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:00,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:35:00,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978751356]
[2020-11-06 21:35:00,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:35:00,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:00,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:35:00,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:35:00,785 INFO L87 Difference]: Start difference. First operand 122 states and 140 transitions. Second operand 8 states.
[2020-11-06 21:35:01,325 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:01,766 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:02,147 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:02,506 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:03,501 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:05,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:05,532 INFO L93 Difference]: Finished difference Result 422 states and 516 transitions.
[2020-11-06 21:35:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-06 21:35:05,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53
[2020-11-06 21:35:05,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:05,542 INFO L225 Difference]: With dead ends: 422
[2020-11-06 21:35:05,542 INFO L226 Difference]: Without dead ends: 324
[2020-11-06 21:35:05,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-11-06 21:35:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2020-11-06 21:35:05,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 245.
[2020-11-06 21:35:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states.
[2020-11-06 21:35:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 291 transitions.
[2020-11-06 21:35:05,669 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 291 transitions. Word has length 53
[2020-11-06 21:35:05,670 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:05,670 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 291 transitions.
[2020-11-06 21:35:05,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:35:05,670 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 291 transitions.
[2020-11-06 21:35:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-11-06 21:35:05,673 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:05,673 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]
[2020-11-06 21:35:05,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-06 21:35:05,673 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:35:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:05,674 INFO L82 PathProgramCache]: Analyzing trace with hash 894056948, now seen corresponding path program 1 times
[2020-11-06 21:35:05,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:05,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630522423]
[2020-11-06 21:35:05,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,092 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-11-06 21:35:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-11-06 21:35:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-11-06 21:35:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:35:06,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630522423]
[2020-11-06 21:35:06,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:06,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-11-06 21:35:06,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748247374]
[2020-11-06 21:35:06,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:35:06,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:06,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:35:06,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-11-06 21:35:06,205 INFO L87 Difference]: Start difference. First operand 245 states and 291 transitions. Second operand 8 states.
[2020-11-06 21:35:06,745 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:08,132 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:08,575 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:09,008 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:09,372 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:09,900 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:11,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:11,228 INFO L93 Difference]: Finished difference Result 795 states and 1019 transitions.
[2020-11-06 21:35:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-11-06 21:35:11,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58
[2020-11-06 21:35:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:11,237 INFO L225 Difference]: With dead ends: 795
[2020-11-06 21:35:11,237 INFO L226 Difference]: Without dead ends: 574
[2020-11-06 21:35:11,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2020-11-06 21:35:11,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states.
[2020-11-06 21:35:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 444.
[2020-11-06 21:35:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states.
[2020-11-06 21:35:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 531 transitions.
[2020-11-06 21:35:11,378 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 531 transitions. Word has length 58
[2020-11-06 21:35:11,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:11,379 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 531 transitions.
[2020-11-06 21:35:11,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:35:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 531 transitions.
[2020-11-06 21:35:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2020-11-06 21:35:11,382 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:11,382 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]
[2020-11-06 21:35:11,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-06 21:35:11,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:35:11,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:11,383 INFO L82 PathProgramCache]: Analyzing trace with hash 2039570608, now seen corresponding path program 1 times
[2020-11-06 21:35:11,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:11,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174709561]
[2020-11-06 21:35:11,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,809 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:11,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-11-06 21:35:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-11-06 21:35:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-11-06 21:35:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-11-06 21:35:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:35:11,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174709561]
[2020-11-06 21:35:11,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:11,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-11-06 21:35:11,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758795272]
[2020-11-06 21:35:11,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-11-06 21:35:11,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:11,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-11-06 21:35:11,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-11-06 21:35:11,975 INFO L87 Difference]: Start difference. First operand 444 states and 531 transitions. Second operand 9 states.
[2020-11-06 21:35:12,515 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:13,784 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:14,221 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:14,611 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:15,469 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:15,906 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:17,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:17,076 INFO L93 Difference]: Finished difference Result 1256 states and 1646 transitions.
[2020-11-06 21:35:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-11-06 21:35:17,077 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62
[2020-11-06 21:35:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:17,092 INFO L225 Difference]: With dead ends: 1256
[2020-11-06 21:35:17,092 INFO L226 Difference]: Without dead ends: 836
[2020-11-06 21:35:17,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342
[2020-11-06 21:35:17,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states.
[2020-11-06 21:35:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672.
[2020-11-06 21:35:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states.
[2020-11-06 21:35:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 816 transitions.
[2020-11-06 21:35:17,338 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 816 transitions. Word has length 62
[2020-11-06 21:35:17,339 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:17,339 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 816 transitions.
[2020-11-06 21:35:17,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-11-06 21:35:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 816 transitions.
[2020-11-06 21:35:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-11-06 21:35:17,342 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:17,343 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:35:17,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-11-06 21:35:17,343 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:35:17,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:17,344 INFO L82 PathProgramCache]: Analyzing trace with hash 821416201, now seen corresponding path program 1 times
[2020-11-06 21:35:17,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:17,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52835330]
[2020-11-06 21:35:17,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,705 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:17,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-11-06 21:35:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-11-06 21:35:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:35:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-11-06 21:35:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2020-11-06 21:35:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-11-06 21:35:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-11-06 21:35:17,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52835330]
[2020-11-06 21:35:17,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:17,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-11-06 21:35:17,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135826130]
[2020-11-06 21:35:17,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-11-06 21:35:17,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:17,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-11-06 21:35:17,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-11-06 21:35:17,882 INFO L87 Difference]: Start difference. First operand 672 states and 816 transitions. Second operand 9 states.
[2020-11-06 21:35:19,194 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206
[2020-11-06 21:35:19,582 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209
[2020-11-06 21:35:19,981 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:20,353 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:21,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:21,723 INFO L93 Difference]: Finished difference Result 1578 states and 2123 transitions.
[2020-11-06 21:35:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-11-06 21:35:21,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95
[2020-11-06 21:35:21,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:21,731 INFO L225 Difference]: With dead ends: 1578
[2020-11-06 21:35:21,731 INFO L226 Difference]: Without dead ends: 930
[2020-11-06 21:35:21,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2020-11-06 21:35:21,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states.
[2020-11-06 21:35:21,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 698.
[2020-11-06 21:35:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states.
[2020-11-06 21:35:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 842 transitions.
[2020-11-06 21:35:21,911 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 842 transitions. Word has length 95
[2020-11-06 21:35:21,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:21,912 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 842 transitions.
[2020-11-06 21:35:21,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-11-06 21:35:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 842 transitions.
[2020-11-06 21:35:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-11-06 21:35:21,915 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:21,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:35:21,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-11-06 21:35:21,916 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]===
[2020-11-06 21:35:21,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:21,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1227971641, now seen corresponding path program 1 times
[2020-11-06 21:35:21,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:21,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098824515]
[2020-11-06 21:35:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,317 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:22,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-11-06 21:35:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-11-06 21:35:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:35:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-11-06 21:35:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2020-11-06 21:35:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-11-06 21:35:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-11-06 21:35:22,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098824515]
[2020-11-06 21:35:22,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:22,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-11-06 21:35:22,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310561089]
[2020-11-06 21:35:22,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-11-06 21:35:22,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:22,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-11-06 21:35:22,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2020-11-06 21:35:22,506 INFO L87 Difference]: Start difference. First operand 698 states and 842 transitions. Second operand 11 states.
[2020-11-06 21:35:23,208 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:23,573 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:23,947 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:24,911 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:25,338 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:25,791 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205
[2020-11-06 21:35:27,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:27,261 INFO L93 Difference]: Finished difference Result 1624 states and 2165 transitions.
[2020-11-06 21:35:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-11-06 21:35:27,262 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95
[2020-11-06 21:35:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:27,269 INFO L225 Difference]: With dead ends: 1624
[2020-11-06 21:35:27,269 INFO L226 Difference]: Without dead ends: 950
[2020-11-06 21:35:27,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306
[2020-11-06 21:35:27,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states.
[2020-11-06 21:35:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 714.
[2020-11-06 21:35:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states.
[2020-11-06 21:35:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 858 transitions.
[2020-11-06 21:35:27,474 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 858 transitions. Word has length 95
[2020-11-06 21:35:27,474 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:27,474 INFO L481 AbstractCegarLoop]: Abstraction has 714 states and 858 transitions.
[2020-11-06 21:35:27,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-11-06 21:35:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 858 transitions.
[2020-11-06 21:35:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-11-06 21:35:27,477 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:27,478 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:35:27,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-11-06 21:35:27,478 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]===
[2020-11-06 21:35:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -258390618, now seen corresponding path program 1 times
[2020-11-06 21:35:27,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:27,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742708021]
[2020-11-06 21:35:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,852 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-11-06 21:35:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-11-06 21:35:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:35:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-11-06 21:35:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:28,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2020-11-06 21:35:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-11-06 21:35:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-11-06 21:35:28,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742708021]
[2020-11-06 21:35:28,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-06 21:35:28,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-11-06 21:35:28,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443588902]
[2020-11-06 21:35:28,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-11-06 21:35:28,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:28,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-11-06 21:35:28,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-11-06 21:35:28,027 INFO L87 Difference]: Start difference. First operand 714 states and 858 transitions. Second operand 7 states.
[2020-11-06 21:35:28,566 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:29,271 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204
[2020-11-06 21:35:32,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:32,411 INFO L93 Difference]: Finished difference Result 2500 states and 3362 transitions.
[2020-11-06 21:35:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-11-06 21:35:32,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95
[2020-11-06 21:35:32,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:32,424 INFO L225 Difference]: With dead ends: 2500
[2020-11-06 21:35:32,425 INFO L226 Difference]: Without dead ends: 1810
[2020-11-06 21:35:32,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210
[2020-11-06 21:35:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states.
[2020-11-06 21:35:32,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1512.
[2020-11-06 21:35:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states.
[2020-11-06 21:35:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1844 transitions.
[2020-11-06 21:35:32,842 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1844 transitions. Word has length 95
[2020-11-06 21:35:32,842 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:32,842 INFO L481 AbstractCegarLoop]: Abstraction has 1512 states and 1844 transitions.
[2020-11-06 21:35:32,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-11-06 21:35:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1844 transitions.
[2020-11-06 21:35:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2020-11-06 21:35:32,846 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:32,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:35:32,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-11-06 21:35:32,846 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]===
[2020-11-06 21:35:32,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:32,847 INFO L82 PathProgramCache]: Analyzing trace with hash 179745164, now seen corresponding path program 1 times
[2020-11-06 21:35:32,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:32,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682297282]
[2020-11-06 21:35:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,234 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202
[2020-11-06 21:35:33,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-06 21:35:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-11-06 21:35:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-11-06 21:35:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-11-06 21:35:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2020-11-06 21:35:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-11-06 21:35:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-11-06 21:35:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-11-06 21:35:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2020-11-06 21:35:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-11-06 21:35:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-11-06 21:35:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2020-11-06 21:35:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2020-11-06 21:35:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-11-06 21:35:33,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682297282]
[2020-11-06 21:35:33,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324350834]
[2020-11-06 21:35:33,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-11-06 21:35:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-06 21:35:33,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-11-06 21:35:33,943 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-11-06 21:35:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-06 21:35:34,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-11-06 21:35:34,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22
[2020-11-06 21:35:34,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416051339]
[2020-11-06 21:35:34,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-11-06 21:35:34,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-06 21:35:34,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-11-06 21:35:34,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462
[2020-11-06 21:35:34,345 INFO L87 Difference]: Start difference. First operand 1512 states and 1844 transitions. Second operand 8 states.
[2020-11-06 21:35:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-06 21:35:35,280 INFO L93 Difference]: Finished difference Result 2936 states and 3598 transitions.
[2020-11-06 21:35:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-11-06 21:35:35,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99
[2020-11-06 21:35:35,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-06 21:35:35,291 INFO L225 Difference]: With dead ends: 2936
[2020-11-06 21:35:35,291 INFO L226 Difference]: Without dead ends: 1448
[2020-11-06 21:35:35,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462
[2020-11-06 21:35:35,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states.
[2020-11-06 21:35:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1448.
[2020-11-06 21:35:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1448 states.
[2020-11-06 21:35:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1730 transitions.
[2020-11-06 21:35:35,797 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1730 transitions. Word has length 99
[2020-11-06 21:35:35,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-11-06 21:35:35,800 INFO L481 AbstractCegarLoop]: Abstraction has 1448 states and 1730 transitions.
[2020-11-06 21:35:35,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-11-06 21:35:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1730 transitions.
[2020-11-06 21:35:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-11-06 21:35:35,805 INFO L414 BasicCegarLoop]: Found error trace
[2020-11-06 21:35:35,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-06 21:35:36,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2020-11-06 21:35:36,021 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-11-06 21:35:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-11-06 21:35:36,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1999413514, now seen corresponding path program 1 times
[2020-11-06 21:35:36,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-06 21:35:36,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146396149]
[2020-11-06 21:35:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-06 21:35:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:35:36,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:35:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-06 21:35:36,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-06 21:35:36,403 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-11-06 21:35:36,403 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-11-06 21:35:36,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-11-06 21:35:36,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:35:36 BoogieIcfgContainer
[2020-11-06 21:35:36,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-06 21:35:36,666 INFO L168 Benchmark]: Toolchain (without parser) took 44279.35 ms. Allocated memory was 163.6 MB in the beginning and 494.9 MB in the end (delta: 331.4 MB). Free memory was 137.7 MB in the beginning and 430.0 MB in the end (delta: -292.3 MB). Peak memory consumption was 294.2 MB. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,667 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 97.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.59 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 141.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,668 INFO L168 Benchmark]: Boogie Preprocessor took 130.84 ms. Allocated memory is still 163.6 MB. Free memory was 141.2 MB in the beginning and 137.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,671 INFO L168 Benchmark]: RCFGBuilder took 1621.34 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 88.3 MB in the end (delta: 49.2 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,672 INFO L168 Benchmark]: TraceAbstraction took 41888.34 ms. Allocated memory was 163.6 MB in the beginning and 494.9 MB in the end (delta: 331.4 MB). Free memory was 88.3 MB in the beginning and 430.0 MB in the end (delta: -341.8 MB). Peak memory consumption was 244.3 MB. Max. memory is 8.0 GB.
[2020-11-06 21:35:36,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 97.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 624.59 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 141.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 130.84 ms. Allocated memory is still 163.6 MB. Free memory was 141.2 MB in the beginning and 137.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1621.34 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 88.3 MB in the end (delta: 49.2 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 41888.34 ms. Allocated memory was 163.6 MB in the beginning and 494.9 MB in the end (delta: 331.4 MB). Free memory was 88.3 MB in the beginning and 430.0 MB in the end (delta: -341.8 MB). Peak memory consumption was 244.3 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:
[L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L500] int pumpRunning = 0;
[L501] int systemActive = 1;
[L695] int waterLevel = 1;
[L696] int methaneLevelCritical = 0;
[L853] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=168, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L926] int retValue_acc ;
[L927] 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]
[L931] 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]
[L932] 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]
[L933] 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]
[L844] int retValue_acc ;
[L847] retValue_acc = 1
[L848] 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]
[L933] 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]
[L933] tmp = valid_product()
[L935] 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]
[L937] 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]
[L938] 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]
[L920] 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]
[L424] int splverifierCounter ;
[L425] int tmp ;
[L426] int tmp___0 ;
[L427] int tmp___1 ;
[L428] int tmp___2 ;
[L431] 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]
[L433] 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]
[L435] 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]
[L441] tmp = __VERIFIER_nondet_int()
[L443] 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]
[L445] 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]
[L713] COND TRUE waterLevel < 2
[L714] 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]
[L445] 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]
[L451] tmp___0 = __VERIFIER_nondet_int()
[L453] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2]
[L461] tmp___2 = __VERIFIER_nondet_int()
[L463] COND FALSE !(\read(tmp___2))
[L469] tmp___1 = __VERIFIER_nondet_int()
[L471] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L480] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L508] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L515] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L517] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L537] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L540] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L542] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L652] int retValue_acc ;
[L653] int tmp ;
[L654] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L658] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L775] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L778] COND FALSE !(waterLevel < 2)
[L782] retValue_acc = 0
[L783] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L658] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L658] tmp = isHighWaterSensorDry()
[L660] COND FALSE !(\read(tmp))
[L663] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L665] retValue_acc = tmp___0
[L666] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L542] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L542] tmp = isHighWaterLevel()
[L544] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L546] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L571] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L575] CALL, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L596] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L600] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L734] int retValue_acc ;
[L737] retValue_acc = methaneLevelCritical
[L738] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L600] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L600] retValue_acc = isMethaneLevelCritical()
[L602] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L575] RET, EXPR isMethaneAlarm()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L575] tmp = isMethaneAlarm()
[L577] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L581] CALL activatePump__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L565] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L581] RET activatePump__wrappee__highWaterSensor()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2]
[L546] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L517] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L523] 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=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L790] int tmp ;
[L791] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L795] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L734] int retValue_acc ;
[L737] retValue_acc = methaneLevelCritical
[L738] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2]
[L795] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L795] tmp = isMethaneLevelCritical()
[L797] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2]
[L523] RET __utac_acc__Specification1_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L480] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L433] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L435] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L441] tmp = __VERIFIER_nondet_int()
[L443] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2]
[L451] tmp___0 = __VERIFIER_nondet_int()
[L453] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2]
[L455] CALL changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L725] COND FALSE !(\read(methaneLevelCritical))
[L728] methaneLevelCritical = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L455] RET changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2]
[L461] tmp___2 = __VERIFIER_nondet_int()
[L463] COND FALSE !(\read(tmp___2))
[L469] tmp___1 = __VERIFIER_nondet_int()
[L471] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2]
[L480] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L508] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L510] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L701] COND TRUE waterLevel > 0
[L702] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L510] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L515] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L517] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L537] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L540] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L555] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L517] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L523] CALL __utac_acc__Specification1_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L790] int tmp ;
[L791] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L795] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L734] int retValue_acc ;
[L737] retValue_acc = methaneLevelCritical
[L738] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L795] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L795] tmp = isMethaneLevelCritical()
[L797] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L799] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L607] int retValue_acc ;
[L610] retValue_acc = pumpRunning
[L611] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L799] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L799] tmp___0 = isPumpRunning()
[L801] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1]
[L803] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L46] CALL reach_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
[L3] __assert_fail("0", "minepump_spec1_product44.cil.c", 3, "reach_error")
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 41 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 41.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 32.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1213 SDtfs, 1792 SDslu, 1668 SDs, 0 SdLazy, 5323 SolverSat, 1130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 309 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1512occurred 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: 1.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1202 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 886 NumberOfCodeBlocks, 886 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 232960 SizeOfPredicates, 3 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 13/15 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...