/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 06:24:22,251 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:24:22,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:24:22,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:24:22,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:24:22,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:24:22,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:24:22,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:24:22,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:24:22,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:24:22,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:24:22,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:24:22,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:24:22,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:24:22,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:24:22,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:24:22,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:24:22,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:24:22,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:24:22,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:24:22,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:24:22,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:24:22,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:24:22,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:24:22,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:24:22,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:24:22,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:24:22,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:24:22,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:24:22,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:24:22,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:24:22,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:24:22,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:24:22,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:24:22,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:24:22,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:24:22,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:24:22,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:24:22,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:24:22,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:24:22,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:24:22,392 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 06:24:22,436 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 06:24:22,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:24:22,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:24:22,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 06:24:22,438 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 06:24:22,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:24:22,439 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 06:24:22,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 06:24:22,440 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 06:24:22,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 06:24:22,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:24:22,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:24:22,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:24:22,442 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 06:24:22,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 06:24:22,442 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 06:24:22,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:24:22,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:24:22,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 06:24:22,443 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 06:24:22,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 06:24:22,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:24:22,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:24:22,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:24:22,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:24:22,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 06:24:22,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:24:22,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:24:22,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 06:24:22,445 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;
[2020-09-25 06:24:22,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:24:22,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:24:22,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:24:22,934 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 06:24:22,935 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 06:24:22,936 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2020-09-25 06:24:23,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9ffec8a4/47b609d3a30e4fbc9acbc5aaa82f46a3/FLAG906939fb7
[2020-09-25 06:24:23,611 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 06:24:23,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product48.cil.c
[2020-09-25 06:24:23,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9ffec8a4/47b609d3a30e4fbc9acbc5aaa82f46a3/FLAG906939fb7
[2020-09-25 06:24:23,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9ffec8a4/47b609d3a30e4fbc9acbc5aaa82f46a3
[2020-09-25 06:24:23,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:24:23,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:24:23,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:24:23,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:24:23,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:24:23,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:24:23" (1/1) ...
[2020-09-25 06:24:23,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:23, skipping insertion in model container
[2020-09-25 06:24:23,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:24:23" (1/1) ...
[2020-09-25 06:24:23,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 06:24:23,989 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:24:24,377 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:24:24,505 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 06:24:24,646 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:24:24,695 INFO L208 MainTranslator]: Completed translation
[2020-09-25 06:24:24,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24 WrapperNode
[2020-09-25 06:24:24,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:24:24,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:24:24,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:24:24,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:24:24,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (1/1) ...
[2020-09-25 06:24:24,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:24:24,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:24:24,827 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:24:24,827 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:24:24,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (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 06:24:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:24:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:24:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 06:24:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 06:24:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 06:24:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 06:24:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 06:24:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 06:24:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 06:24:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 06:24:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 06:24:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 06:24:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 06:24:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:24:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 06:24:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 06:24:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 06:24:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 06:24:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 06:24:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:24:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 06:24:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 06:24:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 06:24:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:24:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:24:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 06:24:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 06:24:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 06:24:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 06:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 06:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 06:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 06:24:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 06:24:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 06:24:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:24:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:24:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 06:24:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 06:24:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:24:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 06:24:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:24:26,213 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:24:26,213 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 06:24:26,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:24:26 BoogieIcfgContainer
[2020-09-25 06:24:26,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:24:26,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:24:26,223 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:24:26,226 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:24:26,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:24:23" (1/3) ...
[2020-09-25 06:24:26,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f796006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:24:26, skipping insertion in model container
[2020-09-25 06:24:26,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:24:24" (2/3) ...
[2020-09-25 06:24:26,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f796006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:24:26, skipping insertion in model container
[2020-09-25 06:24:26,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:24:26" (3/3) ...
[2020-09-25 06:24:26,231 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c
[2020-09-25 06:24:26,243 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:24:26,253 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:24:26,274 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:24:26,306 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:24:26,307 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 06:24:26,307 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:24:26,307 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:24:26,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:24:26,307 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 06:24:26,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:24:26,307 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:24:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states.
[2020-09-25 06:24:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 06:24:26,354 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:24:26,355 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 06:24:26,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:24:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:24:26,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1855175087, now seen corresponding path program 1 times
[2020-09-25 06:24:26,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:24:26,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030415610]
[2020-09-25 06:24:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:24:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:26,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:27,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:28,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:31,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:31,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 06:24:31,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 06:24:31,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030
[2020-09-25 06:24:31,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:31,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 06:24:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 06:24:32,300 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:24:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:24:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:24:32,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120
[2020-09-25 06:24:32,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:24:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:32,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:32,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:24:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:32,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:24:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:24:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:32,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 06:24:32,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:32,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:24:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:32,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:32,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 06:24:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:32,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:32,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 06:24:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 06:24:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 06:24:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:32,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:32,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:32,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:32,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:32,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:32,686 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 06:24:32,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030415610]
[2020-09-25 06:24:32,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:24:32,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 06:24:32,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41051394]
[2020-09-25 06:24:32,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 06:24:32,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:24:32,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 06:24:32,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 06:24:32,734 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states.
[2020-09-25 06:24:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:24:34,350 INFO L93 Difference]: Finished difference Result 532 states and 635 transitions.
[2020-09-25 06:24:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 06:24:34,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 06:24:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:24:34,374 INFO L225 Difference]: With dead ends: 532
[2020-09-25 06:24:34,375 INFO L226 Difference]: Without dead ends: 326
[2020-09-25 06:24:34,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 06:24:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states.
[2020-09-25 06:24:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 280.
[2020-09-25 06:24:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states.
[2020-09-25 06:24:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 307 transitions.
[2020-09-25 06:24:34,498 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 307 transitions. Word has length 153
[2020-09-25 06:24:34,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:24:34,499 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 307 transitions.
[2020-09-25 06:24:34,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 06:24:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 307 transitions.
[2020-09-25 06:24:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 06:24:34,505 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:24:34,506 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]
[2020-09-25 06:24:34,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:24:34,506 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:24:34,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:24:34,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1744708548, now seen corresponding path program 1 times
[2020-09-25 06:24:34,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:24:34,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571858903]
[2020-09-25 06:24:34,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:24:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 06:24:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 06:24:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038
[2020-09-25 06:24:39,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:39,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 06:24:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 06:24:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:39,959 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:24:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:24:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:39,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:24:40,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-25 06:24:40,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:24:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:40,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:40,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:24:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:40,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 06:24:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:24:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:40,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:24:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:24:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 06:24:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:40,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:40,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 06:24:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:24:40,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:40,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 06:24:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:40,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 06:24:40,245 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 06:24:40,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571858903]
[2020-09-25 06:24:40,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:24:40,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 06:24:40,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512961796]
[2020-09-25 06:24:40,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 06:24:40,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:24:40,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 06:24:40,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 06:24:40,251 INFO L87 Difference]: Start difference. First operand 280 states and 307 transitions. Second operand 4 states.
[2020-09-25 06:24:40,862 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 06:24:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:24:42,013 INFO L93 Difference]: Finished difference Result 439 states and 498 transitions.
[2020-09-25 06:24:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 06:24:42,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 06:24:42,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:24:42,020 INFO L225 Difference]: With dead ends: 439
[2020-09-25 06:24:42,020 INFO L226 Difference]: Without dead ends: 309
[2020-09-25 06:24:42,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:24:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2020-09-25 06:24:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 270.
[2020-09-25 06:24:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states.
[2020-09-25 06:24:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 294 transitions.
[2020-09-25 06:24:42,096 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 294 transitions. Word has length 154
[2020-09-25 06:24:42,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:24:42,097 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 294 transitions.
[2020-09-25 06:24:42,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 06:24:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 294 transitions.
[2020-09-25 06:24:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 06:24:42,107 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:24:42,107 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 06:24:42,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:24:42,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:24:42,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:24:42,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1330649895, now seen corresponding path program 1 times
[2020-09-25 06:24:42,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:24:42,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620053998]
[2020-09-25 06:24:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:24:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:42,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:42,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 06:24:45,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:24:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2848
[2020-09-25 06:24:45,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 06:24:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 06:24:45,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:24:45,301 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:24:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:24:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:24:45,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90
[2020-09-25 06:24:45,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:24:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:24:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:24:45,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:24:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:45,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:24:45,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:24:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:24:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:45,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:45,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:24:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:24:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:45,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 06:24:45,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 06:24:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 06:24:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 06:24:45,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 06:24:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:45,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:45,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 06:24:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:45,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:45,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:45,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 06:24:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:45,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 06:24:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:45,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:45,541 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 06:24:45,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620053998]
[2020-09-25 06:24:45,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:24:45,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 06:24:45,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581136162]
[2020-09-25 06:24:45,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 06:24:45,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:24:45,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 06:24:45,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 06:24:45,544 INFO L87 Difference]: Start difference. First operand 270 states and 294 transitions. Second operand 5 states.
[2020-09-25 06:24:46,103 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:24:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:24:48,305 INFO L93 Difference]: Finished difference Result 664 states and 773 transitions.
[2020-09-25 06:24:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 06:24:48,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167
[2020-09-25 06:24:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:24:48,311 INFO L225 Difference]: With dead ends: 664
[2020-09-25 06:24:48,312 INFO L226 Difference]: Without dead ends: 504
[2020-09-25 06:24:48,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 06:24:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states.
[2020-09-25 06:24:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 420.
[2020-09-25 06:24:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states.
[2020-09-25 06:24:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 469 transitions.
[2020-09-25 06:24:48,380 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 469 transitions. Word has length 167
[2020-09-25 06:24:48,381 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:24:48,381 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 469 transitions.
[2020-09-25 06:24:48,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 06:24:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 469 transitions.
[2020-09-25 06:24:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-09-25 06:24:48,384 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:24:48,384 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 06:24:48,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:24:48,385 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:24:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:24:48,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1800368934, now seen corresponding path program 1 times
[2020-09-25 06:24:48,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:24:48,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15228261]
[2020-09-25 06:24:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:24:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 06:24:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630
[2020-09-25 06:24:50,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 06:24:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 06:24:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112
[2020-09-25 06:24:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 06:24:50,526 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 06:24:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:24:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:50,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 06:24:50,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285
[2020-09-25 06:24:50,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 06:24:50,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 06:24:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:50,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:24:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 06:24:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:50,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 06:24:50,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:50,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:24:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 06:24:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:50,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 06:24:50,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:24:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:50,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 06:24:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:50,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:50,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 06:24:50,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:50,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 06:24:50,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:50,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 06:24:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 06:24:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:51,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:51,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:51,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 06:24:51,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:51,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:24:51,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:51,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 06:24:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 06:24:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:51,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:51,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:51,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:51,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 06:24:51,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:51,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:24:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:24:51,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 06:24:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:51,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:51,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:51,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 06:24:51,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:51,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 06:24:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:24:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 06:24:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:51,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 06:24:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:24:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:24:51,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:24:51,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 06:24:51,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:24:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 06:24:51,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:24:51,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:24:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:24:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 06:24:51,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:24:51,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:24:51,193 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 06:24:51,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15228261]
[2020-09-25 06:24:51,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:24:51,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 06:24:51,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294219114]
[2020-09-25 06:24:51,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 06:24:51,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:24:51,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 06:24:51,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 06:24:51,199 INFO L87 Difference]: Start difference. First operand 420 states and 469 transitions. Second operand 10 states.
[2020-09-25 06:24:51,901 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:24:53,988 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:24:54,321 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:24:54,664 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:24:55,005 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 06:24:55,314 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 06:24:55,633 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:24:55,919 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 06:24:56,344 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 06:24:57,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:24:57,499 INFO L93 Difference]: Finished difference Result 1146 states and 1418 transitions.
[2020-09-25 06:24:57,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 06:24:57,500 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172
[2020-09-25 06:24:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:24:57,507 INFO L225 Difference]: With dead ends: 1146
[2020-09-25 06:24:57,507 INFO L226 Difference]: Without dead ends: 836
[2020-09-25 06:24:57,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 06:24:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states.
[2020-09-25 06:24:57,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 701.
[2020-09-25 06:24:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states.
[2020-09-25 06:24:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 808 transitions.
[2020-09-25 06:24:57,641 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 808 transitions. Word has length 172
[2020-09-25 06:24:57,642 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:24:57,642 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 808 transitions.
[2020-09-25 06:24:57,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 06:24:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 808 transitions.
[2020-09-25 06:24:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 06:24:57,647 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:24:57,648 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 06:24:57,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:24:57,648 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:24:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:24:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1544124696, now seen corresponding path program 1 times
[2020-09-25 06:24:57,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:24:57,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637178272]
[2020-09-25 06:24:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:24:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 06:24:57,752 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 06:24:57,753 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 06:24:57,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 06:24:57,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:24:57 BoogieIcfgContainer
[2020-09-25 06:24:57,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 06:24:57,789 INFO L168 Benchmark]: Toolchain (without parser) took 33881.83 ms. Allocated memory was 146.3 MB in the beginning and 658.0 MB in the end (delta: 511.7 MB). Free memory was 101.9 MB in the beginning and 609.8 MB in the end (delta: -507.9 MB). Peak memory consumption was 477.7 MB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,790 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.57 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 172.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,792 INFO L168 Benchmark]: Boogie Preprocessor took 127.47 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,793 INFO L168 Benchmark]: RCFGBuilder took 1394.32 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 176.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,794 INFO L168 Benchmark]: TraceAbstraction took 31564.70 ms. Allocated memory was 236.5 MB in the beginning and 658.0 MB in the end (delta: 421.5 MB). Free memory was 175.0 MB in the beginning and 609.8 MB in the end (delta: -434.8 MB). Peak memory consumption was 460.6 MB. Max. memory is 7.1 GB.
[2020-09-25 06:24:57,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 784.57 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 172.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 127.47 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1394.32 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 176.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 31564.70 ms. Allocated memory was 236.5 MB in the beginning and 658.0 MB in the end (delta: 421.5 MB). Free memory was 175.0 MB in the beginning and 609.8 MB in the end (delta: -434.8 MB). Peak memory consumption was 460.6 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: 31.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1087 SDtfs, 1764 SDslu, 889 SDs, 0 SdLazy, 2366 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=701occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 304 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 823 NumberOfCodeBlocks, 823 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 256061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...