/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_product48.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:19:29,593 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:19:29,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:19:29,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:19:29,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:19:29,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:19:29,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:19:29,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:19:29,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:19:29,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:19:29,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:19:29,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:19:29,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:19:29,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:19:29,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:19:29,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:19:29,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:19:29,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:19:29,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:19:29,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:19:29,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:19:29,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:19:29,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:19:29,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:19:29,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:19:29,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:19:29,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:19:29,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:19:29,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:19:29,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:19:29,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:19:29,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:19:29,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:19:29,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:19:29,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:19:29,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:19:29,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:19:29,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:19:29,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:19:29,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:19:29,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:19:29,724 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 14:19:29,767 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:19:29,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:19:29,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:19:29,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:19:29,769 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:19:29,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:19:29,770 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:19:29,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:19:29,770 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:19:29,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:19:29,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:19:29,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:19:29,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:19:29,773 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:19:29,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:19:29,773 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:19:29,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:19:29,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:19:29,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:19:29,774 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:19:29,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:19:29,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:19:29,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:19:29,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:19:29,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:19:29,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:19:29,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:19:29,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:19:29,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:19:29,776 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 14:19:30,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:19:30,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:19:30,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:19:30,295 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:19:30,296 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:19:30,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2020-09-25 14:19:30,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/135d349ed/76436805a62c4bffb5d44c9af67b275b/FLAG6553a6635
[2020-09-25 14:19:31,047 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:19:31,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2020-09-25 14:19:31,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/135d349ed/76436805a62c4bffb5d44c9af67b275b/FLAG6553a6635
[2020-09-25 14:19:31,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/135d349ed/76436805a62c4bffb5d44c9af67b275b
[2020-09-25 14:19:31,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:19:31,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:19:31,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:19:31,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:19:31,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:19:31,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:31" (1/1) ...
[2020-09-25 14:19:31,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:31, skipping insertion in model container
[2020-09-25 14:19:31,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:31" (1/1) ...
[2020-09-25 14:19:31,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:19:31,403 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:19:31,988 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:19:32,015 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:19:32,146 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:19:32,185 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:19:32,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32 WrapperNode
[2020-09-25 14:19:32,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:19:32,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:19:32,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:19:32,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:19:32,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (1/1) ...
[2020-09-25 14:19:32,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:19:32,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:19:32,285 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:19:32,285 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:19:32,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (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 14:19:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:19:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:19:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:19:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 14:19:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 14:19:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 14:19:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 14:19:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 14:19:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 14:19:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 14:19:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 14:19:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 14:19:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 14:19:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 14:19:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 14:19:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:19:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 14:19:32,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 14:19:32,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 14:19:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:19:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:19:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 14:19:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 14:19:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 14:19:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 14:19:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 14:19:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 14:19:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 14:19:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:19:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:19:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:19:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:19:33,562 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:19:33,562 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:19:33,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:33 BoogieIcfgContainer
[2020-09-25 14:19:33,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:19:33,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:19:33,571 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:19:33,575 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:19:33,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:19:31" (1/3) ...
[2020-09-25 14:19:33,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74042df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:33, skipping insertion in model container
[2020-09-25 14:19:33,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:32" (2/3) ...
[2020-09-25 14:19:33,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74042df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:33, skipping insertion in model container
[2020-09-25 14:19:33,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:33" (3/3) ...
[2020-09-25 14:19:33,580 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c
[2020-09-25 14:19:33,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:19:33,603 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:19:33,625 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:19:33,658 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:19:33,658 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:19:33,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:19:33,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:19:33,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:19:33,659 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:19:33,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:19:33,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:19:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states.
[2020-09-25 14:19:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 14:19:33,710 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:33,711 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 14:19:33,712 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1855175087, now seen corresponding path program 1 times
[2020-09-25 14:19:33,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:33,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729932590]
[2020-09-25 14:19:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:35,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:39,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 14:19:39,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:19:39,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048
[2020-09-25 14:19:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:39,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 14:19:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 14:19:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60
[2020-09-25 14:19:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13
[2020-09-25 14:19:39,569 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:39,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:39,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:39,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:39,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284
[2020-09-25 14:19:39,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:39,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 14:19:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 14:19:40,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:40,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:40,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:40,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:40,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 14:19:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:40,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 14:19:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 14:19:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:40,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:40,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:40,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 14:19:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 14:19:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:40,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:40,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:40,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:40,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:40,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:40,203 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 14:19:40,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729932590]
[2020-09-25 14:19:40,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:40,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 14:19:40,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553525441]
[2020-09-25 14:19:40,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 14:19:40,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:40,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 14:19:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 14:19:40,247 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 4 states.
[2020-09-25 14:19:40,919 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:43,523 INFO L93 Difference]: Finished difference Result 736 states and 892 transitions.
[2020-09-25 14:19:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 14:19:43,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153
[2020-09-25 14:19:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:43,549 INFO L225 Difference]: With dead ends: 736
[2020-09-25 14:19:43,549 INFO L226 Difference]: Without dead ends: 516
[2020-09-25 14:19:43,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:19:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states.
[2020-09-25 14:19:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 440.
[2020-09-25 14:19:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states.
[2020-09-25 14:19:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 495 transitions.
[2020-09-25 14:19:43,740 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 495 transitions. Word has length 153
[2020-09-25 14:19:43,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:43,741 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 495 transitions.
[2020-09-25 14:19:43,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 14:19:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 495 transitions.
[2020-09-25 14:19:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 14:19:43,747 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:43,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:43,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:19:43,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1963164245, now seen corresponding path program 1 times
[2020-09-25 14:19:43,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:43,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589440762]
[2020-09-25 14:19:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:44,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:44,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:48,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:48,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 14:19:48,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 14:19:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005
[2020-09-25 14:19:48,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:48,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 14:19:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79
[2020-09-25 14:19:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72
[2020-09-25 14:19:48,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,132 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:49,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247
[2020-09-25 14:19:49,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 14:19:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:49,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:49,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:49,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 14:19:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22
[2020-09-25 14:19:49,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:19:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 14:19:49,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:19:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 14:19:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 14:19:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 14:19:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 14:19:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 14:19:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 14:19:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 14:19:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 14:19:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:49,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:49,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:49,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 14:19:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:49,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:49,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 14:19:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:49,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:49,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:49,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:19:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:49,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:49,642 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 14:19:49,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589440762]
[2020-09-25 14:19:49,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:49,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 14:19:49,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152142956]
[2020-09-25 14:19:49,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 14:19:49,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:49,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 14:19:49,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-25 14:19:49,647 INFO L87 Difference]: Start difference. First operand 440 states and 495 transitions. Second operand 6 states.
[2020-09-25 14:19:50,196 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:51,935 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 14:19:53,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:19:53,541 INFO L93 Difference]: Finished difference Result 1234 states and 1520 transitions.
[2020-09-25 14:19:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 14:19:53,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167
[2020-09-25 14:19:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:19:53,551 INFO L225 Difference]: With dead ends: 1234
[2020-09-25 14:19:53,551 INFO L226 Difference]: Without dead ends: 904
[2020-09-25 14:19:53,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:19:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states.
[2020-09-25 14:19:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 759.
[2020-09-25 14:19:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states.
[2020-09-25 14:19:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 865 transitions.
[2020-09-25 14:19:53,680 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 865 transitions. Word has length 167
[2020-09-25 14:19:53,680 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:19:53,680 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 865 transitions.
[2020-09-25 14:19:53,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 14:19:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 865 transitions.
[2020-09-25 14:19:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-09-25 14:19:53,684 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:19:53,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:19:53,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:19:53,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:19:53,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:19:53,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1800368934, now seen corresponding path program 1 times
[2020-09-25 14:19:53,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:19:53,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182815905]
[2020-09-25 14:19:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:19:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:55,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 14:19:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2101
[2020-09-25 14:19:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:55,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 14:19:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 14:19:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112
[2020-09-25 14:19:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:56,155 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 14:19:56,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:19:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 14:19:56,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251
[2020-09-25 14:19:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 14:19:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 14:19:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:56,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:56,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 14:19:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:56,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:56,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:56,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 14:19:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 14:19:56,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 14:19:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:19:56,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:56,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 14:19:56,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 14:19:56,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 14:19:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 14:19:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:56,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 14:19:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 14:19:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:56,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 14:19:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:19:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 14:19:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:56,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:19:56,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:19:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:19:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 14:19:56,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 14:19:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:19:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:19:56,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:19:56,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:19:56,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:19:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:19:56,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:19:56,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:19:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:19:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 14:19:56,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:19:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:19:56,660 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 14:19:56,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182815905]
[2020-09-25 14:19:56,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:19:56,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 14:19:56,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649646743]
[2020-09-25 14:19:56,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 14:19:56,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:19:56,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 14:19:56,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 14:19:56,663 INFO L87 Difference]: Start difference. First operand 759 states and 865 transitions. Second operand 10 states.
[2020-09-25 14:19:57,158 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:19:58,899 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:19:59,269 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:59,625 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:19:59,993 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 14:20:00,320 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 14:20:00,689 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:20:01,000 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 14:20:01,508 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 14:20:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:20:04,014 INFO L93 Difference]: Finished difference Result 2128 states and 2698 transitions.
[2020-09-25 14:20:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 14:20:04,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172
[2020-09-25 14:20:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:20:04,031 INFO L225 Difference]: With dead ends: 2128
[2020-09-25 14:20:04,032 INFO L226 Difference]: Without dead ends: 1399
[2020-09-25 14:20:04,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 14:20:04,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states.
[2020-09-25 14:20:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1293.
[2020-09-25 14:20:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1293 states.
[2020-09-25 14:20:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1493 transitions.
[2020-09-25 14:20:04,248 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1493 transitions. Word has length 172
[2020-09-25 14:20:04,249 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:20:04,249 INFO L479 AbstractCegarLoop]: Abstraction has 1293 states and 1493 transitions.
[2020-09-25 14:20:04,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 14:20:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1493 transitions.
[2020-09-25 14:20:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 14:20:04,252 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:20:04,253 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]
[2020-09-25 14:20:04,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:20:04,253 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:20:04,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:20:04,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1544124696, now seen corresponding path program 1 times
[2020-09-25 14:20:04,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:20:04,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670311781]
[2020-09-25 14:20:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:20:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 14:20:04,326 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 14:20:04,326 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 14:20:04,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 14:20:04,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:20:04 BoogieIcfgContainer
[2020-09-25 14:20:04,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:20:04,363 INFO L168 Benchmark]: Toolchain (without parser) took 33065.02 ms. Allocated memory was 142.6 MB in the beginning and 627.6 MB in the end (delta: 485.0 MB). Free memory was 101.9 MB in the beginning and 195.0 MB in the end (delta: -93.1 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,364 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.33 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 101.2 MB in the beginning and 171.4 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,366 INFO L168 Benchmark]: Boogie Preprocessor took 97.96 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,367 INFO L168 Benchmark]: RCFGBuilder took 1285.27 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 173.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,368 INFO L168 Benchmark]: TraceAbstraction took 30789.86 ms. Allocated memory was 236.5 MB in the beginning and 627.6 MB in the end (delta: 391.1 MB). Free memory was 173.1 MB in the beginning and 195.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 369.2 MB. Max. memory is 7.1 GB.
[2020-09-25 14:20:04,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 883.33 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 101.2 MB in the beginning and 171.4 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 97.96 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1285.27 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 173.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 30789.86 ms. Allocated memory was 236.5 MB in the beginning and 627.6 MB in the end (delta: 391.1 MB). Free memory was 173.1 MB in the beginning and 195.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 369.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L129] int waterLevel = 1;
[L130] int methaneLevelCritical = 0;
[L229] int pumpRunning = 0;
[L230] int systemActive = 1;
[L447] int cleanupTimeShifts = 4;
[L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L521] int retValue_acc ;
[L522] int tmp ;
[L526] FCALL select_helpers()
[L527] FCALL select_features()
[L528] CALL, EXPR valid_product()
[L78] int retValue_acc ;
[L81] retValue_acc = 1
[L82] return (retValue_acc);
[L528] RET, EXPR valid_product()
[L528] tmp = valid_product()
[L530] COND TRUE \read(tmp)
[L532] FCALL setup()
[L533] CALL runTest()
[L515] CALL test()
[L545] int splverifierCounter ;
[L546] int tmp ;
[L547] int tmp___0 ;
[L548] int tmp___1 ;
[L549] int tmp___2 ;
[L552] splverifierCounter = 0
[L554] COND TRUE 1
[L556] COND TRUE splverifierCounter < 4
[L562] tmp = __VERIFIER_nondet_int()
[L564] COND TRUE \read(tmp)
[L566] CALL waterRise()
[L147] COND TRUE waterLevel < 2
[L148] waterLevel = waterLevel + 1
[L566] RET waterRise()
[L572] tmp___0 = __VERIFIER_nondet_int()
[L574] COND FALSE !(\read(tmp___0))
[L582] tmp___2 = __VERIFIER_nondet_int()
[L584] COND FALSE !(\read(tmp___2))
[L590] tmp___1 = __VERIFIER_nondet_int()
[L592] COND TRUE \read(tmp___1)
[L594] CALL stopSystem()
[L427] COND FALSE !(\read(pumpRunning))
[L434] systemActive = 0
[L594] RET stopSystem()
[L601] CALL timeShift()
[L236] COND FALSE !(\read(pumpRunning))
[L243] COND FALSE !(\read(systemActive))
[L251] CALL __utac_acc__Specification3_spec__1()
[L91] int tmp ;
[L92] int tmp___0 ;
[L93] int tmp___1 ;
[L97] CALL, EXPR isMethaneLevelCritical()
[L168] int retValue_acc ;
[L171] retValue_acc = methaneLevelCritical
[L172] return (retValue_acc);
[L97] RET, EXPR isMethaneLevelCritical()
[L97] tmp = isMethaneLevelCritical()
[L99] COND FALSE !(\read(tmp))
[L103] CALL, EXPR getWaterLevel()
[L200] int retValue_acc ;
[L203] retValue_acc = waterLevel
[L204] return (retValue_acc);
[L103] RET, EXPR getWaterLevel()
[L103] tmp___0 = getWaterLevel()
[L105] COND TRUE tmp___0 == 2
[L107] CALL, EXPR isPumpRunning()
[L360] int retValue_acc ;
[L363] retValue_acc = pumpRunning
[L364] return (retValue_acc);
[L107] RET, EXPR isPumpRunning()
[L107] tmp___1 = isPumpRunning()
[L109] COND FALSE !(\read(tmp___1))
[L113] CALL __automaton_fail()
[L44] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 41 procedures, 643 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 948 SDtfs, 1648 SDslu, 1210 SDs, 0 SdLazy, 2975 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1293occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 327 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 226275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...