/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:18:44,171 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:18:44,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:18:44,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:18:44,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:18:44,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:18:44,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:18:44,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:18:44,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:18:44,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:18:44,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:18:44,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:18:44,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:18:44,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:18:44,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:18:44,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:18:44,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:18:44,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:18:44,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:18:44,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:18:44,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:18:44,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:18:44,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:18:44,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:18:44,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:18:44,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:18:44,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:18:44,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:18:44,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:18:44,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:18:44,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:18:44,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:18:44,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:18:44,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:18:44,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:18:44,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:18:44,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:18:44,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:18:44,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:18:44,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:18:44,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:18:44,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:18:44,293 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:18:44,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:18:44,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:18:44,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:18:44,295 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:18:44,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:18:44,295 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:18:44,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:18:44,296 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:18:44,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:18:44,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:18:44,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:18:44,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:18:44,297 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:18:44,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:18:44,297 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:18:44,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:18:44,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:18:44,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:18:44,298 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:18:44,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:18:44,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:18:44,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:18:44,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:18:44,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:18:44,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:18:44,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:18:44,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:18:44,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:18:44,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:18:44,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:18:44,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:18:44,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:18:44,826 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:18:44,826 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:18:44,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c
[2020-09-25 14:18:44,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cd59a4e5/2c68aed8f2534257908941a6f399f026/FLAG164900819
[2020-09-25 14:18:45,603 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:18:45,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c
[2020-09-25 14:18:45,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cd59a4e5/2c68aed8f2534257908941a6f399f026/FLAG164900819
[2020-09-25 14:18:45,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1cd59a4e5/2c68aed8f2534257908941a6f399f026
[2020-09-25 14:18:45,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:18:45,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:18:45,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:18:45,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:18:45,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:18:45,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:45" (1/1) ...
[2020-09-25 14:18:45,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45, skipping insertion in model container
[2020-09-25 14:18:45,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:45" (1/1) ...
[2020-09-25 14:18:45,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:18:45,957 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:18:46,439 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:18:46,457 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:18:46,550 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:18:46,600 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:18:46,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46 WrapperNode
[2020-09-25 14:18:46,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:18:46,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:18:46,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:18:46,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:18:46,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
[2020-09-25 14:18:46,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:18:46,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:18:46,722 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:18:46,722 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:18:46,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-25 14:18:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:18:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:18:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:18:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 14:18:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 14:18:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 14:18:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 14:18:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 14:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 14:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 14:18:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 14:18:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 14:18:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 14:18:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 14:18:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 14:18:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 14:18:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 14:18:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 14:18:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 14:18:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 14:18:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 14:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 14:18:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 14:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 14:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 14:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 14:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 14:18:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 14:18:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 14:18:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 14:18:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 14:18:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:18:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:18:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 14:18:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 14:18:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 14:18:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 14:18:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 14:18:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 14:18:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 14:18:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 14:18:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 14:18:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 14:18:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 14:18:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 14:18:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 14:18:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 14:18:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 14:18:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:18:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 14:18:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 14:18:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 14:18:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 14:18:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 14:18:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 14:18:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:18:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 14:18:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 14:18:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:18:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:18:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:18:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:18:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 14:18:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 14:18:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 14:18:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 14:18:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 14:18:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 14:18:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 14:18:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 14:18:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 14:18:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:18:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:18:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:18:48,206 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:18:48,206 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:18:48,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:48 BoogieIcfgContainer
[2020-09-25 14:18:48,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:18:48,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:18:48,224 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:18:48,228 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:18:48,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:18:45" (1/3) ...
[2020-09-25 14:18:48,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c6388c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:48, skipping insertion in model container
[2020-09-25 14:18:48,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:46" (2/3) ...
[2020-09-25 14:18:48,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c6388c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:48, skipping insertion in model container
[2020-09-25 14:18:48,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:48" (3/3) ...
[2020-09-25 14:18:48,233 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c
[2020-09-25 14:18:48,246 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:18:48,260 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:18:48,285 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:18:48,327 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:18:48,327 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:18:48,328 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:18:48,328 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:18:48,328 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:18:48,328 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:18:48,328 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:18:48,328 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:18:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states.
[2020-09-25 14:18:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 14:18:48,381 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:18:48,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:18:48,383 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:18:48,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:18:48,392 INFO L82 PathProgramCache]: Analyzing trace with hash -502047938, now seen corresponding path program 1 times
[2020-09-25 14:18:48,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:18:48,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859244914]
[2020-09-25 14:18:48,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:18:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:48,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:53,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 14:18:53,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:18:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071
[2020-09-25 14:18:53,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:53,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 14:18:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 14:18:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58
[2020-09-25 14:18:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7
[2020-09-25 14:18:54,347 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:18:54,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:18:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:18:54,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329
[2020-09-25 14:18:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 14:18:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:18:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:18:54,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:18:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:54,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:18:54,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:18:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:54,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 14:18:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:18:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:18:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:18:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:18:54,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:18:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:18:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:18:54,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 14:18:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:54,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:18:54,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:54,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 14:18:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:54,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:18:54,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 14:18:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:54,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:54,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:18:54,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:18:54,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:18:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:18:54,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:18:54,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:18:54,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:18:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:18:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:18:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:18:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:18:54,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859244914]
[2020-09-25 14:18:54,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:18:54,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 14:18:54,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229658451]
[2020-09-25 14:18:55,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 14:18:55,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:18:55,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 14:18:55,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:18:55,026 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 5 states.
[2020-09-25 14:18:55,569 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:18:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:18:56,562 INFO L93 Difference]: Finished difference Result 444 states and 527 transitions.
[2020-09-25 14:18:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 14:18:56,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153
[2020-09-25 14:18:56,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:18:56,584 INFO L225 Difference]: With dead ends: 444
[2020-09-25 14:18:56,584 INFO L226 Difference]: Without dead ends: 279
[2020-09-25 14:18:56,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-09-25 14:18:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states.
[2020-09-25 14:18:56,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 239.
[2020-09-25 14:18:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states.
[2020-09-25 14:18:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 256 transitions.
[2020-09-25 14:18:56,697 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 256 transitions. Word has length 153
[2020-09-25 14:18:56,698 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:18:56,698 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 256 transitions.
[2020-09-25 14:18:56,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 14:18:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 256 transitions.
[2020-09-25 14:18:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-09-25 14:18:56,705 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:18:56,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:18:56,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:18:56,706 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:18:56,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:18:56,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1773254049, now seen corresponding path program 1 times
[2020-09-25 14:18:56,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:18:56,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438217437]
[2020-09-25 14:18:56,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:18:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:18:56,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:18:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 14:19:00,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3324
[2020-09-25 14:19:00,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 14:19:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 14:19:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105
[2020-09-25 14:19:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,439 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:00,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259
[2020-09-25 14:19:00,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 14:19:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:00,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:00,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:00,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:00,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 14:19:00,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:00,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 14:19:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:19:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:00,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 14:19:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:00,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:00,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 14:19:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 14:19:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:00,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 14:19:00,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 14:19:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:00,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:00,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:00,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:00,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 14:19:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:00,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:00,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:00,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:00,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:00,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:00,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:00,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:19:00,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438217437]
[2020-09-25 14:19:00,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:00,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 14:19:00,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680520896]
[2020-09-25 14:19:00,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 14:19:00,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:00,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 14:19:00,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 14:19:00,990 INFO L87 Difference]: Start difference. First operand 239 states and 256 transitions. Second operand 10 states.
[2020-09-25 14:19:01,609 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:03,578 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188
[2020-09-25 14:19:04,180 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190
[2020-09-25 14:19:04,558 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:04,937 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 14:19:05,252 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:05,754 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 14:19:06,080 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 14:19:06,523 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:07,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:07,941 INFO L93 Difference]: Finished difference Result 602 states and 752 transitions.
[2020-09-25 14:19:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 14:19:07,948 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162
[2020-09-25 14:19:07,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:07,958 INFO L225 Difference]: With dead ends: 602
[2020-09-25 14:19:07,959 INFO L226 Difference]: Without dead ends: 449
[2020-09-25 14:19:07,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 14:19:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states.
[2020-09-25 14:19:08,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 353.
[2020-09-25 14:19:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states.
[2020-09-25 14:19:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 388 transitions.
[2020-09-25 14:19:08,071 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 388 transitions. Word has length 162
[2020-09-25 14:19:08,071 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:08,071 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 388 transitions.
[2020-09-25 14:19:08,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 14:19:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 388 transitions.
[2020-09-25 14:19:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2020-09-25 14:19:08,076 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:08,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:08,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:19:08,076 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:08,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:08,077 INFO L82 PathProgramCache]: Analyzing trace with hash 74620443, now seen corresponding path program 1 times
[2020-09-25 14:19:08,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:08,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198988668]
[2020-09-25 14:19:08,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 14:19:08,146 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 14:19:08,146 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 14:19:08,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:19:08,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:19:08 BoogieIcfgContainer
[2020-09-25 14:19:08,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:19:08,179 INFO L168 Benchmark]: Toolchain (without parser) took 22336.07 ms. Allocated memory was 145.8 MB in the beginning and 509.6 MB in the end (delta: 363.9 MB). Free memory was 100.9 MB in the beginning and 212.7 MB in the end (delta: -111.8 MB). Peak memory consumption was 252.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,180 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.55 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 170.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,181 INFO L168 Benchmark]: Boogie Preprocessor took 119.42 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,182 INFO L168 Benchmark]: RCFGBuilder took 1499.38 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 176.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,183 INFO L168 Benchmark]: TraceAbstraction took 19953.35 ms. Allocated memory was 234.9 MB in the beginning and 509.6 MB in the end (delta: 274.7 MB). Free memory was 176.4 MB in the beginning and 212.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 238.4 MB. Max. memory is 7.1 GB.
[2020-09-25 14:19:08,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 747.55 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 170.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 119.42 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1499.38 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 176.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 19953.35 ms. Allocated memory was 234.9 MB in the beginning and 509.6 MB in the end (delta: 274.7 MB). Free memory was 176.4 MB in the beginning and 212.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 238.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L40] int cleanupTimeShifts = 4;
[L184] int waterLevel = 1;
[L185] int methaneLevelCritical = 0;
[L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L652] int pumpRunning = 0;
[L653] int systemActive = 1;
[L121] int retValue_acc ;
[L122] int tmp ;
[L126] FCALL select_helpers()
[L127] FCALL select_features()
[L128] CALL, EXPR valid_product()
[L170] int retValue_acc ;
[L173] retValue_acc = 1
[L174] return (retValue_acc);
[L128] RET, EXPR valid_product()
[L128] tmp = valid_product()
[L130] COND TRUE \read(tmp)
[L132] FCALL setup()
[L133] CALL runTest()
[L112] CALL test()
[L832] int splverifierCounter ;
[L833] int tmp ;
[L834] int tmp___0 ;
[L835] int tmp___1 ;
[L836] int tmp___2 ;
[L839] splverifierCounter = 0
[L841] COND TRUE 1
[L843] COND TRUE splverifierCounter < 4
[L849] tmp = __VERIFIER_nondet_int()
[L851] COND TRUE \read(tmp)
[L853] CALL waterRise()
[L202] COND TRUE waterLevel < 2
[L203] waterLevel = waterLevel + 1
[L853] RET waterRise()
[L859] tmp___0 = __VERIFIER_nondet_int()
[L861] COND FALSE !(\read(tmp___0))
[L869] tmp___2 = __VERIFIER_nondet_int()
[L871] COND TRUE \read(tmp___2)
[L873] CALL startSystem()
[L826] systemActive = 1
[L873] RET startSystem()
[L886] CALL timeShift()
[L660] COND FALSE !(\read(pumpRunning))
[L667] COND TRUE \read(systemActive)
[L669] CALL processEnvironment()
[L689] int tmp ;
[L692] COND FALSE !(\read(pumpRunning))
[L707] FCALL processEnvironment__wrappee__base()
[L669] RET processEnvironment()
[L675] CALL __utac_acc__Specification3_spec__1()
[L899] int tmp ;
[L900] int tmp___0 ;
[L901] int tmp___1 ;
[L905] CALL, EXPR isMethaneLevelCritical()
[L223] int retValue_acc ;
[L226] retValue_acc = methaneLevelCritical
[L227] return (retValue_acc);
[L905] RET, EXPR isMethaneLevelCritical()
[L905] tmp = isMethaneLevelCritical()
[L907] COND FALSE !(\read(tmp))
[L911] CALL, EXPR getWaterLevel()
[L255] int retValue_acc ;
[L258] retValue_acc = waterLevel
[L259] return (retValue_acc);
[L911] RET, EXPR getWaterLevel()
[L911] tmp___0 = getWaterLevel()
[L913] COND TRUE tmp___0 == 2
[L915] CALL, EXPR isPumpRunning()
[L759] int retValue_acc ;
[L762] retValue_acc = pumpRunning
[L763] return (retValue_acc);
[L915] RET, EXPR isPumpRunning()
[L915] tmp___1 = isPumpRunning()
[L917] COND FALSE !(\read(tmp___1))
[L921] CALL __automaton_fail()
[L643] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 622 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 469 SDtfs, 848 SDslu, 849 SDs, 0 SdLazy, 1623 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 136 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 143893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...