/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=0.2 --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_product16.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 04:06:11,993 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 04:06:11,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 04:06:12,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 04:06:12,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 04:06:12,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 04:06:12,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 04:06:12,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 04:06:12,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 04:06:12,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 04:06:12,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 04:06:12,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 04:06:12,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 04:06:12,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 04:06:12,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 04:06:12,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 04:06:12,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 04:06:12,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 04:06:12,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 04:06:12,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 04:06:12,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 04:06:12,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 04:06:12,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 04:06:12,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 04:06:12,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 04:06:12,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 04:06:12,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 04:06:12,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 04:06:12,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 04:06:12,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 04:06:12,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 04:06:12,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 04:06:12,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 04:06:12,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 04:06:12,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 04:06:12,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 04:06:12,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 04:06:12,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 04:06:12,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 04:06:12,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 04:06:12,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 04:06:12,115 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 04:06:12,161 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 04:06:12,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 04:06:12,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 04:06:12,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 04:06:12,164 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 04:06:12,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 04:06:12,165 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 04:06:12,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 04:06:12,165 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 04:06:12,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 04:06:12,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 04:06:12,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 04:06:12,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 04:06:12,167 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 04:06:12,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 04:06:12,168 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 04:06:12,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 04:06:12,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 04:06:12,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 04:06:12,169 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 04:06:12,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 04:06:12,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 04:06:12,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 04:06:12,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 04:06:12,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 04:06:12,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 04:06:12,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 04:06:12,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 04:06:12,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 04:06:12,171 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true;
[2020-09-25 04:06:12,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 04:06:12,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 04:06:12,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 04:06:12,642 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 04:06:12,642 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 04:06:12,643 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product16.cil.c
[2020-09-25 04:06:12,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2101db94/f3e8e4a74fd240f69e18515c4da50514/FLAG381a01930
[2020-09-25 04:06:13,322 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 04:06:13,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product16.cil.c
[2020-09-25 04:06:13,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2101db94/f3e8e4a74fd240f69e18515c4da50514/FLAG381a01930
[2020-09-25 04:06:13,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c2101db94/f3e8e4a74fd240f69e18515c4da50514
[2020-09-25 04:06:13,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 04:06:13,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 04:06:13,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 04:06:13,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 04:06:13,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 04:06:13,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:06:13" (1/1) ...
[2020-09-25 04:06:13,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:13, skipping insertion in model container
[2020-09-25 04:06:13,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:06:13" (1/1) ...
[2020-09-25 04:06:13,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 04:06:13,696 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 04:06:14,043 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:06:14,059 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 04:06:14,274 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 04:06:14,315 INFO L208 MainTranslator]: Completed translation
[2020-09-25 04:06:14,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14 WrapperNode
[2020-09-25 04:06:14,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 04:06:14,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 04:06:14,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 04:06:14,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 04:06:14,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (1/1) ...
[2020-09-25 04:06:14,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 04:06:14,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 04:06:14,429 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 04:06:14,429 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 04:06:14,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (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 04:06:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 04:06:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 04:06:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:06:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 04:06:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 04:06:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 04:06:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 04:06:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 04:06:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 04:06:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 04:06:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 04:06:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:06:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 04:06:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 04:06:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 04:06:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 04:06:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 04:06:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 04:06:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 04:06:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-09-25 04:06:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 04:06:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 04:06:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 04:06:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 04:06:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 04:06:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 04:06:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 04:06:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 04:06:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 04:06:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 04:06:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 04:06:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 04:06:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 04:06:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 04:06:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 04:06:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 04:06:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 04:06:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 04:06:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 04:06:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 04:06:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 04:06:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 04:06:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 04:06:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 04:06:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 04:06:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 04:06:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 04:06:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 04:06:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 04:06:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 04:06:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 04:06:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 04:06:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 04:06:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 04:06:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 04:06:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 04:06:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 04:06:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 04:06:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 04:06:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 04:06:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 04:06:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-09-25 04:06:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 04:06:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-09-25 04:06:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 04:06:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 04:06:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 04:06:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 04:06:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 04:06:15,673 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 04:06:15,673 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 04:06:15,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:06:15 BoogieIcfgContainer
[2020-09-25 04:06:15,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 04:06:15,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 04:06:15,688 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 04:06:15,692 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 04:06:15,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:06:13" (1/3) ...
[2020-09-25 04:06:15,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1521fa3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:06:15, skipping insertion in model container
[2020-09-25 04:06:15,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:06:14" (2/3) ...
[2020-09-25 04:06:15,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1521fa3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:06:15, skipping insertion in model container
[2020-09-25 04:06:15,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:06:15" (3/3) ...
[2020-09-25 04:06:15,697 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c
[2020-09-25 04:06:15,709 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 04:06:15,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 04:06:15,747 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 04:06:15,780 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 04:06:15,780 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 04:06:15,780 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 04:06:15,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 04:06:15,781 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 04:06:15,781 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 04:06:15,781 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 04:06:15,781 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 04:06:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states.
[2020-09-25 04:06:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 04:06:15,830 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 04:06:15,831 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 04:06:15,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:06:15,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:06:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2058846521, now seen corresponding path program 1 times
[2020-09-25 04:06:15,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:06:15,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314563731]
[2020-09-25 04:06:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:06:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:16,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:16,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:21,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 04:06:21,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 04:06:21,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055
[2020-09-25 04:06:21,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:21,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 04:06:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 04:06:21,766 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:06:21,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:06:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:21,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:06:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126
[2020-09-25 04:06:21,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:21,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:06:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:22,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:06:22,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:06:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:22,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:06:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:22,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:06:22,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:06:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 04:06:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 04:06:22,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 04:06:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:22,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:06:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 04:06:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:22,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:22,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 04:06:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:22,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:22,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:22,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 04:06:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:22,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:22,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:22,201 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 04:06:22,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314563731]
[2020-09-25 04:06:22,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:06:22,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 04:06:22,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389949337]
[2020-09-25 04:06:22,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 04:06:22,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:06:22,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 04:06:22,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 04:06:22,242 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 3 states.
[2020-09-25 04:06:23,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:06:23,679 INFO L93 Difference]: Finished difference Result 436 states and 524 transitions.
[2020-09-25 04:06:23,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 04:06:23,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 04:06:23,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:06:23,703 INFO L225 Difference]: With dead ends: 436
[2020-09-25 04:06:23,703 INFO L226 Difference]: Without dead ends: 276
[2020-09-25 04:06:23,709 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 04:06:23,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2020-09-25 04:06:23,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234.
[2020-09-25 04:06:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states.
[2020-09-25 04:06:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 254 transitions.
[2020-09-25 04:06:23,816 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 254 transitions. Word has length 153
[2020-09-25 04:06:23,817 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:06:23,818 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 254 transitions.
[2020-09-25 04:06:23,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 04:06:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 254 transitions.
[2020-09-25 04:06:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 04:06:23,823 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 04:06:23,824 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 04:06:23,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 04:06:23,825 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:06:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:06:23,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1620128513, now seen corresponding path program 1 times
[2020-09-25 04:06:23,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:06:23,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601723718]
[2020-09-25 04:06:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:06:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:23,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:24,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:28,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 04:06:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 04:06:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043
[2020-09-25 04:06:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:28,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 04:06:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 04:06:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,269 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:06:29,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:06:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:06:29,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96
[2020-09-25 04:06:29,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:06:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:29,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:06:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:29,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:29,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:06:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:29,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 04:06:29,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:29,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:06:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:29,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:29,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:29,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 04:06:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:29,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 04:06:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:29,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:29,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 04:06:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 04:06:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:29,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:29,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:29,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:29,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:29,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:29,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:29,507 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 04:06:29,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601723718]
[2020-09-25 04:06:29,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:06:29,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 04:06:29,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384489096]
[2020-09-25 04:06:29,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 04:06:29,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:06:29,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 04:06:29,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 04:06:29,518 INFO L87 Difference]: Start difference. First operand 234 states and 254 transitions. Second operand 4 states.
[2020-09-25 04:06:30,265 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 04:06:31,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:06:31,215 INFO L93 Difference]: Finished difference Result 343 states and 387 transitions.
[2020-09-25 04:06:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 04:06:31,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 04:06:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:06:31,220 INFO L225 Difference]: With dead ends: 343
[2020-09-25 04:06:31,221 INFO L226 Difference]: Without dead ends: 259
[2020-09-25 04:06:31,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 04:06:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2020-09-25 04:06:31,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224.
[2020-09-25 04:06:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-09-25 04:06:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 241 transitions.
[2020-09-25 04:06:31,264 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 241 transitions. Word has length 154
[2020-09-25 04:06:31,265 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:06:31,265 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 241 transitions.
[2020-09-25 04:06:31,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 04:06:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions.
[2020-09-25 04:06:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 04:06:31,268 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 04:06:31,268 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 04:06:31,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 04:06:31,269 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:06:31,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:06:31,269 INFO L82 PathProgramCache]: Analyzing trace with hash 43350617, now seen corresponding path program 1 times
[2020-09-25 04:06:31,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:06:31,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955453350]
[2020-09-25 04:06:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:06:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 04:06:34,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 04:06:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2890
[2020-09-25 04:06:34,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 04:06:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 04:06:34,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,515 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:06:34,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:06:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:06:34,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107
[2020-09-25 04:06:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:06:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:34,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:34,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:06:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:06:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:06:34,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:06:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:34,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:34,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 04:06:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 04:06:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:06:34,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 04:06:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 04:06:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:34,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:34,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 04:06:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:34,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:34,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 04:06:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:34,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:34,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:34,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:34,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:34,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:34,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:34,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:34,830 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 04:06:34,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955453350]
[2020-09-25 04:06:34,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:06:34,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 04:06:34,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292642544]
[2020-09-25 04:06:34,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 04:06:34,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:06:34,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 04:06:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 04:06:34,838 INFO L87 Difference]: Start difference. First operand 224 states and 241 transitions. Second operand 5 states.
[2020-09-25 04:06:35,389 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:06:37,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:06:37,167 INFO L93 Difference]: Finished difference Result 518 states and 604 transitions.
[2020-09-25 04:06:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 04:06:37,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167
[2020-09-25 04:06:37,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:06:37,173 INFO L225 Difference]: With dead ends: 518
[2020-09-25 04:06:37,173 INFO L226 Difference]: Without dead ends: 404
[2020-09-25 04:06:37,175 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 04:06:37,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states.
[2020-09-25 04:06:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328.
[2020-09-25 04:06:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states.
[2020-09-25 04:06:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 363 transitions.
[2020-09-25 04:06:37,243 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 363 transitions. Word has length 167
[2020-09-25 04:06:37,243 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:06:37,244 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 363 transitions.
[2020-09-25 04:06:37,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 04:06:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 363 transitions.
[2020-09-25 04:06:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-09-25 04:06:37,247 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 04:06:37,247 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 04:06:37,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 04:06:37,248 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:06:37,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:06:37,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1596285256, now seen corresponding path program 1 times
[2020-09-25 04:06:37,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:06:37,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808971250]
[2020-09-25 04:06:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:06:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:37,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 04:06:39,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1813
[2020-09-25 04:06:39,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 04:06:39,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 04:06:39,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108
[2020-09-25 04:06:39,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,442 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 04:06:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 04:06:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 04:06:39,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296
[2020-09-25 04:06:39,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 04:06:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 04:06:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:39,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:06:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 04:06:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:39,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:39,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:06:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:06:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 04:06:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:39,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 04:06:39,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:06:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 04:06:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 04:06:39,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:39,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 04:06:39,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 04:06:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 04:06:39,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 04:06:39,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 04:06:39,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 04:06:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:39,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 04:06:39,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 04:06:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:06:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 04:06:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 04:06:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 04:06:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 04:06:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 04:06:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 04:06:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:06:39,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 04:06:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 04:06:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 04:06:39,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 04:06:39,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 04:06:39,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 04:06:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 04:06:39,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 04:06:39,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 04:06:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 04:06:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 04:06:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 04:06:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 04:06:40,022 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 04:06:40,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808971250]
[2020-09-25 04:06:40,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 04:06:40,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 04:06:40,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833665551]
[2020-09-25 04:06:40,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 04:06:40,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 04:06:40,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 04:06:40,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 04:06:40,026 INFO L87 Difference]: Start difference. First operand 328 states and 363 transitions. Second operand 10 states.
[2020-09-25 04:06:40,590 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:06:42,485 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:06:42,862 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:06:43,203 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:06:43,591 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 04:06:43,895 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 04:06:44,198 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 04:06:44,508 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:06:44,921 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 04:06:45,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 04:06:45,741 INFO L93 Difference]: Finished difference Result 862 states and 1053 transitions.
[2020-09-25 04:06:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 04:06:45,742 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172
[2020-09-25 04:06:45,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 04:06:45,752 INFO L225 Difference]: With dead ends: 862
[2020-09-25 04:06:45,752 INFO L226 Difference]: Without dead ends: 644
[2020-09-25 04:06:45,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 04:06:45,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states.
[2020-09-25 04:06:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 539.
[2020-09-25 04:06:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states.
[2020-09-25 04:06:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 617 transitions.
[2020-09-25 04:06:45,877 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 617 transitions. Word has length 172
[2020-09-25 04:06:45,877 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 04:06:45,878 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 617 transitions.
[2020-09-25 04:06:45,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 04:06:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 617 transitions.
[2020-09-25 04:06:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 04:06:45,882 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 04:06:45,882 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 04:06:45,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 04:06:45,882 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 04:06:45,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 04:06:45,883 INFO L82 PathProgramCache]: Analyzing trace with hash 204325415, now seen corresponding path program 1 times
[2020-09-25 04:06:45,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 04:06:45,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881575006]
[2020-09-25 04:06:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 04:06:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 04:06:45,950 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 04:06:45,950 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 04:06:45,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 04:06:45,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 04:06:45 BoogieIcfgContainer
[2020-09-25 04:06:45,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 04:06:45,987 INFO L168 Benchmark]: Toolchain (without parser) took 32367.77 ms. Allocated memory was 140.0 MB in the beginning and 596.1 MB in the end (delta: 456.1 MB). Free memory was 102.2 MB in the beginning and 505.3 MB in the end (delta: -403.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,988 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.36 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 176.2 MB in the end (delta: -74.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,990 INFO L168 Benchmark]: Boogie Preprocessor took 111.33 ms. Allocated memory is still 206.0 MB. Free memory was 176.2 MB in the beginning and 171.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,991 INFO L168 Benchmark]: RCFGBuilder took 1257.32 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 171.2 MB in the beginning and 179.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,992 INFO L168 Benchmark]: TraceAbstraction took 30297.54 ms. Allocated memory was 236.5 MB in the beginning and 596.1 MB in the end (delta: 359.7 MB). Free memory was 179.8 MB in the beginning and 505.3 MB in the end (delta: -325.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB.
[2020-09-25 04:06:45,996 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 693.36 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 176.2 MB in the end (delta: -74.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 111.33 ms. Allocated memory is still 206.0 MB. Free memory was 176.2 MB in the beginning and 171.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1257.32 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 171.2 MB in the beginning and 179.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 30297.54 ms. Allocated memory was 236.5 MB in the beginning and 596.1 MB in the end (delta: 359.7 MB). Free memory was 179.8 MB in the beginning and 505.3 MB in the end (delta: -325.5 MB). Peak memory consumption was 34.1 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:
[L49] int cleanupTimeShifts = 4;
[L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L596] int pumpRunning = 0;
[L597] int systemActive = 1;
[L806] int waterLevel = 1;
[L807] int methaneLevelCritical = 0;
[L130] int retValue_acc ;
[L131] int tmp ;
[L135] FCALL select_helpers()
[L136] FCALL select_features()
[L137] CALL, EXPR valid_product()
[L796] int retValue_acc ;
[L799] retValue_acc = 1
[L800] return (retValue_acc);
[L137] RET, EXPR valid_product()
[L137] tmp = valid_product()
[L139] COND TRUE \read(tmp)
[L141] FCALL setup()
[L142] CALL runTest()
[L121] CALL test()
[L522] int splverifierCounter ;
[L523] int tmp ;
[L524] int tmp___0 ;
[L525] int tmp___1 ;
[L526] int tmp___2 ;
[L529] splverifierCounter = 0
[L531] COND TRUE 1
[L533] COND TRUE splverifierCounter < 4
[L539] tmp = __VERIFIER_nondet_int()
[L541] COND TRUE \read(tmp)
[L543] CALL waterRise()
[L824] COND TRUE waterLevel < 2
[L825] waterLevel = waterLevel + 1
[L543] RET waterRise()
[L549] tmp___0 = __VERIFIER_nondet_int()
[L551] COND FALSE !(\read(tmp___0))
[L559] tmp___2 = __VERIFIER_nondet_int()
[L561] COND FALSE !(\read(tmp___2))
[L567] tmp___1 = __VERIFIER_nondet_int()
[L569] COND TRUE \read(tmp___1)
[L571] CALL stopSystem()
[L750] COND FALSE !(\read(pumpRunning))
[L757] systemActive = 0
[L571] RET stopSystem()
[L578] CALL timeShift()
[L604] COND FALSE !(\read(pumpRunning))
[L611] COND FALSE !(\read(systemActive))
[L619] CALL __utac_acc__Specification3_spec__1()
[L887] int tmp ;
[L888] int tmp___0 ;
[L889] int tmp___1 ;
[L893] CALL, EXPR isMethaneLevelCritical()
[L845] int retValue_acc ;
[L848] retValue_acc = methaneLevelCritical
[L849] return (retValue_acc);
[L893] RET, EXPR isMethaneLevelCritical()
[L893] tmp = isMethaneLevelCritical()
[L895] COND FALSE !(\read(tmp))
[L899] CALL, EXPR getWaterLevel()
[L877] int retValue_acc ;
[L880] retValue_acc = waterLevel
[L881] return (retValue_acc);
[L899] RET, EXPR getWaterLevel()
[L899] tmp___0 = getWaterLevel()
[L901] COND TRUE tmp___0 == 2
[L903] CALL, EXPR isPumpRunning()
[L702] int retValue_acc ;
[L705] retValue_acc = pumpRunning
[L706] return (retValue_acc);
[L903] RET, EXPR isPumpRunning()
[L903] tmp___1 = isPumpRunning()
[L905] COND FALSE !(\read(tmp___1))
[L909] CALL __automaton_fail()
[L44] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 38 procedures, 609 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 911 SDtfs, 1202 SDslu, 870 SDs, 0 SdLazy, 1915 SolverSat, 444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=539occurred 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, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 823 NumberOfCodeBlocks, 823 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 254693 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...