/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=0.4 --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_product05.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:13:52,034 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:13:52,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:13:52,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:13:52,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:13:52,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:13:52,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:13:52,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:13:52,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:13:52,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:13:52,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:13:52,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:13:52,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:13:52,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:13:52,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:13:52,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:13:52,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:13:52,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:13:52,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:13:52,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:13:52,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:13:52,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:13:52,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:13:52,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:13:52,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:13:52,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:13:52,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:13:52,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:13:52,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:13:52,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:13:52,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:13:52,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:13:52,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:13:52,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:13:52,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:13:52,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:13:52,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:13:52,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:13:52,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:13:52,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:13:52,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:13:52,129 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 05:13:52,158 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:13:52,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:13:52,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:13:52,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:13:52,160 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:13:52,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:13:52,160 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:13:52,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:13:52,161 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:13:52,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:13:52,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:13:52,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:13:52,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:13:52,162 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:13:52,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:13:52,162 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:13:52,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:13:52,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:13:52,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:13:52,163 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:13:52,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:13:52,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:13:52,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:13:52,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:13:52,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:13:52,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:13:52,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:13:52,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:13:52,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:13:52,165 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true;
[2020-09-25 05:13:52,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:13:52,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:13:52,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:13:52,655 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:13:52,655 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:13:52,657 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2020-09-25 05:13:52,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1ccc38e2/4c6f5548b59e450983b98367d4c68a06/FLAG014956f24
[2020-09-25 05:13:53,368 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:13:53,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2020-09-25 05:13:53,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1ccc38e2/4c6f5548b59e450983b98367d4c68a06/FLAG014956f24
[2020-09-25 05:13:53,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1ccc38e2/4c6f5548b59e450983b98367d4c68a06
[2020-09-25 05:13:53,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:13:53,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:13:53,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:13:53,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:13:53,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:13:53,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387f035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53, skipping insertion in model container
[2020-09-25 05:13:53,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:13:53,742 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:13:54,195 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:13:54,210 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:13:54,423 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:13:54,459 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:13:54,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54 WrapperNode
[2020-09-25 05:13:54,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:13:54,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:13:54,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:13:54,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:13:54,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (1/1) ...
[2020-09-25 05:13:54,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:13:54,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:13:54,570 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:13:54,570 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:13:54,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (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 05:13:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:13:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:13:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:13:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:13:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:13:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:13:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:13:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:13:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:13:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:13:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:13:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:13:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:13:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:13:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:13:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:13:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:13:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:13:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:13:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:13:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:13:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:13:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:13:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:13:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:13:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:13:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:13:54,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:13:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:13:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:13:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:13:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:13:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:13:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:13:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:13:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:13:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:13:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:13:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:13:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:13:55,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:13:55,821 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:13:55,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:13:55 BoogieIcfgContainer
[2020-09-25 05:13:55,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:13:55,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:13:55,830 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:13:55,834 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:13:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:13:53" (1/3) ...
[2020-09-25 05:13:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40871659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:13:55, skipping insertion in model container
[2020-09-25 05:13:55,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:54" (2/3) ...
[2020-09-25 05:13:55,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40871659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:13:55, skipping insertion in model container
[2020-09-25 05:13:55,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:13:55" (3/3) ...
[2020-09-25 05:13:55,838 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c
[2020-09-25 05:13:55,850 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:13:55,862 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:13:55,882 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:13:55,911 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:13:55,911 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:13:55,911 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:13:55,911 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:13:55,911 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:13:55,911 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:13:55,912 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:13:55,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:13:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states.
[2020-09-25 05:13:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 05:13:55,955 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:13:55,956 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 05:13:55,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:13:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:13:55,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1745842468, now seen corresponding path program 1 times
[2020-09-25 05:13:55,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:13:55,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771201414]
[2020-09-25 05:13:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:13:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:13:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:13:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:13:57,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:00,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:00,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 05:14:00,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:14:00,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4399
[2020-09-25 05:14:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:00,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:14:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9
[2020-09-25 05:14:01,257 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:01,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133
[2020-09-25 05:14:01,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12
[2020-09-25 05:14:01,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:14:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 05:14:01,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:14:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:14:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:01,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:14:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 05:14:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,692 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 05:14:01,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771201414]
[2020-09-25 05:14:01,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:01,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:14:01,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537897585]
[2020-09-25 05:14:01,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:14:01,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:01,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:14:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:14:01,730 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 3 states.
[2020-09-25 05:14:03,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:03,069 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions.
[2020-09-25 05:14:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 05:14:03,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 05:14:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:03,093 INFO L225 Difference]: With dead ends: 413
[2020-09-25 05:14:03,093 INFO L226 Difference]: Without dead ends: 263
[2020-09-25 05:14:03,099 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 05:14:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2020-09-25 05:14:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224.
[2020-09-25 05:14:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-09-25 05:14:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 242 transitions.
[2020-09-25 05:14:03,202 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 242 transitions. Word has length 153
[2020-09-25 05:14:03,203 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:03,203 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 242 transitions.
[2020-09-25 05:14:03,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:14:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 242 transitions.
[2020-09-25 05:14:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 05:14:03,208 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:03,209 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 05:14:03,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:14:03,209 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:03,213 INFO L82 PathProgramCache]: Analyzing trace with hash 998854656, now seen corresponding path program 1 times
[2020-09-25 05:14:03,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:03,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834752178]
[2020-09-25 05:14:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:03,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:03,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 05:14:08,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:14:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011
[2020-09-25 05:14:08,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 05:14:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63
[2020-09-25 05:14:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,597 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:08,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:08,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236
[2020-09-25 05:14:08,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 05:14:08,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:14:08,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:08,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 05:14:08,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:08,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:08,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:08,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 05:14:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:08,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 05:14:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:09,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:09,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:09,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:09,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 05:14:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:09,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:09,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:09,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:09,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:09,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:09,037 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 05:14:09,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834752178]
[2020-09-25 05:14:09,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:09,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:14:09,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783426628]
[2020-09-25 05:14:09,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:14:09,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:09,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:14:09,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:14:09,044 INFO L87 Difference]: Start difference. First operand 224 states and 242 transitions. Second operand 4 states.
[2020-09-25 05:14:09,550 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:14:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:10,332 INFO L93 Difference]: Finished difference Result 377 states and 436 transitions.
[2020-09-25 05:14:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 05:14:10,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 05:14:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:10,337 INFO L225 Difference]: With dead ends: 377
[2020-09-25 05:14:10,337 INFO L226 Difference]: Without dead ends: 263
[2020-09-25 05:14:10,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:14:10,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2020-09-25 05:14:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224.
[2020-09-25 05:14:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2020-09-25 05:14:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 241 transitions.
[2020-09-25 05:14:10,387 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 241 transitions. Word has length 154
[2020-09-25 05:14:10,388 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:10,388 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 241 transitions.
[2020-09-25 05:14:10,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:14:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions.
[2020-09-25 05:14:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2020-09-25 05:14:10,391 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:10,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:14:10,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:14:10,392 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:10,393 INFO L82 PathProgramCache]: Analyzing trace with hash -945021933, now seen corresponding path program 1 times
[2020-09-25 05:14:10,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:10,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241753187]
[2020-09-25 05:14:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:10,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199
[2020-09-25 05:14:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:14:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2865
[2020-09-25 05:14:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:14:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:14:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:14:13,637 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:13,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98
[2020-09-25 05:14:13,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:14:13,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:13,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 38
[2020-09-25 05:14:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2020-09-25 05:14:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 05:14:13,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 05:14:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:14:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 05:14:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 05:14:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 05:14:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,918 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 05:14:13,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241753187]
[2020-09-25 05:14:13,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:13,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 05:14:13,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341644839]
[2020-09-25 05:14:13,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 05:14:13,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:13,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 05:14:13,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:14:13,921 INFO L87 Difference]: Start difference. First operand 224 states and 241 transitions. Second operand 5 states.
[2020-09-25 05:14:14,748 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:14:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:15,551 INFO L93 Difference]: Finished difference Result 354 states and 404 transitions.
[2020-09-25 05:14:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 05:14:15,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162
[2020-09-25 05:14:15,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:15,555 INFO L225 Difference]: With dead ends: 354
[2020-09-25 05:14:15,555 INFO L226 Difference]: Without dead ends: 270
[2020-09-25 05:14:15,557 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 05:14:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states.
[2020-09-25 05:14:15,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 214.
[2020-09-25 05:14:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states.
[2020-09-25 05:14:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 228 transitions.
[2020-09-25 05:14:15,594 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 228 transitions. Word has length 162
[2020-09-25 05:14:15,595 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:15,595 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 228 transitions.
[2020-09-25 05:14:15,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 05:14:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 228 transitions.
[2020-09-25 05:14:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-09-25 05:14:15,598 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:15,598 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]
[2020-09-25 05:14:15,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:14:15,599 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:15,599 INFO L82 PathProgramCache]: Analyzing trace with hash -451135243, now seen corresponding path program 1 times
[2020-09-25 05:14:15,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:15,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529328914]
[2020-09-25 05:14:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:17,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 05:14:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1852
[2020-09-25 05:14:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:17,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 05:14:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 05:14:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109
[2020-09-25 05:14:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:17,935 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:18,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265
[2020-09-25 05:14:18,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 05:14:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:18,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 05:14:18,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 05:14:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 05:14:18,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 05:14:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:14:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:14:18,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 05:14:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:18,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 05:14:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:14:18,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:14:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:18,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159
[2020-09-25 05:14:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:18,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,474 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 05:14:18,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529328914]
[2020-09-25 05:14:18,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:18,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 05:14:18,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702139301]
[2020-09-25 05:14:18,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 05:14:18,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:18,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 05:14:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:14:18,477 INFO L87 Difference]: Start difference. First operand 214 states and 228 transitions. Second operand 9 states.
[2020-09-25 05:14:18,979 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:14:20,004 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 05:14:21,238 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188
[2020-09-25 05:14:21,849 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190
[2020-09-25 05:14:22,213 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:14:22,497 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:14:22,786 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:14:23,251 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:14:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:23,623 INFO L93 Difference]: Finished difference Result 493 states and 582 transitions.
[2020-09-25 05:14:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 05:14:23,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171
[2020-09-25 05:14:23,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:23,631 INFO L225 Difference]: With dead ends: 493
[2020-09-25 05:14:23,631 INFO L226 Difference]: Without dead ends: 389
[2020-09-25 05:14:23,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 05:14:23,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states.
[2020-09-25 05:14:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 314.
[2020-09-25 05:14:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states.
[2020-09-25 05:14:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 343 transitions.
[2020-09-25 05:14:23,685 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 343 transitions. Word has length 171
[2020-09-25 05:14:23,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:23,686 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 343 transitions.
[2020-09-25 05:14:23,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 05:14:23,686 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 343 transitions.
[2020-09-25 05:14:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 05:14:23,689 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:23,690 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]
[2020-09-25 05:14:23,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:14:23,690 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:23,691 INFO L82 PathProgramCache]: Analyzing trace with hash -481228589, now seen corresponding path program 1 times
[2020-09-25 05:14:23,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:23,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907845072]
[2020-09-25 05:14:23,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 05:14:23,759 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 05:14:23,759 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 05:14:23,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 05:14:23,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:14:23 BoogieIcfgContainer
[2020-09-25 05:14:23,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:14:23,796 INFO L168 Benchmark]: Toolchain (without parser) took 30133.43 ms. Allocated memory was 138.9 MB in the beginning and 627.6 MB in the end (delta: 488.6 MB). Free memory was 101.4 MB in the beginning and 503.9 MB in the end (delta: -402.5 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,797 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.08 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,799 INFO L168 Benchmark]: Boogie Preprocessor took 107.77 ms. Allocated memory is still 202.9 MB. Free memory was 172.7 MB in the beginning and 168.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,800 INFO L168 Benchmark]: RCFGBuilder took 1259.57 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 168.6 MB in the beginning and 183.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,801 INFO L168 Benchmark]: TraceAbstraction took 27963.81 ms. Allocated memory was 234.4 MB in the beginning and 627.6 MB in the end (delta: 393.2 MB). Free memory was 182.2 MB in the beginning and 503.9 MB in the end (delta: -321.7 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:23,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 793.08 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.7 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 107.77 ms. Allocated memory is still 202.9 MB. Free memory was 172.7 MB in the beginning and 168.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1259.57 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 168.6 MB in the beginning and 183.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 27963.81 ms. Allocated memory was 234.4 MB in the beginning and 627.6 MB in the end (delta: 393.2 MB). Free memory was 182.2 MB in the beginning and 503.9 MB in the end (delta: -321.7 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L95] int pumpRunning = 0;
[L96] int systemActive = 1;
[L297] int cleanupTimeShifts = 4;
[L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L760] int waterLevel = 1;
[L761] int methaneLevelCritical = 0;
[L370] int retValue_acc ;
[L371] int tmp ;
[L375] FCALL select_helpers()
[L376] FCALL select_features()
[L377] CALL, EXPR valid_product()
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
[L377] RET, EXPR valid_product()
[L377] tmp = valid_product()
[L379] COND TRUE \read(tmp)
[L381] FCALL setup()
[L382] CALL runTest()
[L364] CALL test()
[L233] int splverifierCounter ;
[L234] int tmp ;
[L235] int tmp___0 ;
[L236] int tmp___1 ;
[L237] int tmp___2 ;
[L240] splverifierCounter = 0
[L242] COND TRUE 1
[L244] COND TRUE splverifierCounter < 4
[L250] tmp = __VERIFIER_nondet_int()
[L252] COND TRUE \read(tmp)
[L254] CALL waterRise()
[L778] COND TRUE waterLevel < 2
[L779] waterLevel = waterLevel + 1
[L254] RET waterRise()
[L260] tmp___0 = __VERIFIER_nondet_int()
[L262] COND FALSE !(\read(tmp___0))
[L270] tmp___2 = __VERIFIER_nondet_int()
[L272] COND TRUE \read(tmp___2)
[L285] CALL timeShift()
[L103] COND FALSE !(\read(pumpRunning))
[L110] COND TRUE \read(systemActive)
[L112] CALL processEnvironment()
[L132] int tmp ;
[L135] COND FALSE !(\read(pumpRunning))
[L150] FCALL processEnvironment__wrappee__base()
[L112] RET processEnvironment()
[L118] CALL __utac_acc__Specification3_spec__1()
[L841] int tmp ;
[L842] int tmp___0 ;
[L843] int tmp___1 ;
[L847] CALL, EXPR isMethaneLevelCritical()
[L799] int retValue_acc ;
[L802] retValue_acc = methaneLevelCritical
[L803] return (retValue_acc);
[L847] RET, EXPR isMethaneLevelCritical()
[L847] tmp = isMethaneLevelCritical()
[L849] COND FALSE !(\read(tmp))
[L853] CALL, EXPR getWaterLevel()
[L831] int retValue_acc ;
[L834] retValue_acc = waterLevel
[L835] return (retValue_acc);
[L853] RET, EXPR getWaterLevel()
[L853] tmp___0 = getWaterLevel()
[L855] COND TRUE tmp___0 == 2
[L857] CALL, EXPR isPumpRunning()
[L184] int retValue_acc ;
[L187] retValue_acc = pumpRunning
[L188] return (retValue_acc);
[L857] RET, EXPR isPumpRunning()
[L857] tmp___1 = isPumpRunning()
[L859] COND FALSE !(\read(tmp___1))
[L863] CALL __automaton_fail()
[L82] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 35 procedures, 590 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 836 SDtfs, 981 SDslu, 742 SDs, 0 SdLazy, 1615 SolverSat, 294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 209 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 251056 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...