/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=0.8 --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_product07.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:31:29,599 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:31:29,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:31:29,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:31:29,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:31:29,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:31:29,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:31:29,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:31:29,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:31:29,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:31:29,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:31:29,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:31:29,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:31:29,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:31:29,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:31:29,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:31:29,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:31:29,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:31:29,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:31:29,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:31:29,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:31:29,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:31:29,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:31:29,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:31:29,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:31:29,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:31:29,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:31:29,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:31:29,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:31:29,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:31:29,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 07:31:29,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 07:31:29,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:31:29,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:31:29,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:31:29,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:31:29,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 07:31:29,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 07:31:29,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:31:29,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:31:29,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:31:29,736 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 07:31:29,762 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 07:31:29,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:31:29,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:31:29,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 07:31:29,764 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 07:31:29,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:31:29,764 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:31:29,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:31:29,766 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 07:31:29,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 07:31:29,766 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 07:31:29,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:31:29,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:31:29,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 07:31:29,767 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 07:31:29,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 07:31:29,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:31:29,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:31:29,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:31:29,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:31:29,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 07:31:29,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:31:29,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:31:29,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 07:31:29,769 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true;
[2020-09-25 07:31:30,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:31:30,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:31:30,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:31:30,312 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 07:31:30,313 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 07:31:30,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c
[2020-09-25 07:31:30,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0d1464d5/187ad0aaad0142ec81d5e8d08de0872a/FLAGdb9911345
[2020-09-25 07:31:30,997 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 07:31:30,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c
[2020-09-25 07:31:31,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0d1464d5/187ad0aaad0142ec81d5e8d08de0872a/FLAGdb9911345
[2020-09-25 07:31:31,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e0d1464d5/187ad0aaad0142ec81d5e8d08de0872a
[2020-09-25 07:31:31,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:31:31,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:31:31,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:31:31,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:31:31,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:31:31,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:31:31" (1/1) ...
[2020-09-25 07:31:31,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e04f8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:31, skipping insertion in model container
[2020-09-25 07:31:31,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:31:31" (1/1) ...
[2020-09-25 07:31:31,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 07:31:31,442 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:31:31,897 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:31:31,910 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 07:31:31,985 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:31:32,022 INFO L208 MainTranslator]: Completed translation
[2020-09-25 07:31:32,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32 WrapperNode
[2020-09-25 07:31:32,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:31:32,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:31:32,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:31:32,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:31:32,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
[2020-09-25 07:31:32,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:31:32,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:31:32,118 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:31:32,118 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:31:32,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:31:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:31:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:31:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:31:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 07:31:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 07:31:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 07:31:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 07:31:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 07:31:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 07:31:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 07:31:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 07:31:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 07:31:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:31:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 07:31:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 07:31:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:31:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 07:31:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 07:31:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 07:31:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 07:31:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 07:31:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 07:31:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 07:31:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 07:31:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 07:31:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 07:31:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 07:31:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 07:31:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 07:31:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 07:31:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 07:31:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:31:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:31:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 07:31:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 07:31:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 07:31:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 07:31:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 07:31:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 07:31:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 07:31:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:31:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 07:31:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 07:31:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 07:31:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:31:33,410 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:31:33,411 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 07:31:33,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:31:33 BoogieIcfgContainer
[2020-09-25 07:31:33,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:31:33,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:31:33,419 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:31:33,423 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:31:33,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:31:31" (1/3) ...
[2020-09-25 07:31:33,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6aae92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:31:33, skipping insertion in model container
[2020-09-25 07:31:33,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:31:32" (2/3) ...
[2020-09-25 07:31:33,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6aae92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:31:33, skipping insertion in model container
[2020-09-25 07:31:33,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:31:33" (3/3) ...
[2020-09-25 07:31:33,428 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c
[2020-09-25 07:31:33,439 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:31:33,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:31:33,469 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:31:33,497 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:31:33,498 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 07:31:33,498 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:31:33,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:31:33,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:31:33,499 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 07:31:33,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:31:33,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:31:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states.
[2020-09-25 07:31:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 07:31:33,545 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:31:33,547 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 07:31:33,548 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:31:33,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:31:33,556 INFO L82 PathProgramCache]: Analyzing trace with hash 957582246, now seen corresponding path program 1 times
[2020-09-25 07:31:33,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:31:33,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201881993]
[2020-09-25 07:31:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:31:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:34,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:38,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:38,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 07:31:38,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:31:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037
[2020-09-25 07:31:38,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:38,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 07:31:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 07:31:39,558 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:31:39,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:31:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:31:39,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167
[2020-09-25 07:31:39,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 07:31:39,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:31:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:39,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:31:39,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:39,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:31:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:39,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:31:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:39,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:31:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 07:31:39,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:39,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:31:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:31:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 07:31:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:39,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:31:39,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 07:31:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:31:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:39,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 07:31:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:39,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:39,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:39,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:39,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:31:39,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:39,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:31:40,052 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 07:31:40,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201881993]
[2020-09-25 07:31:40,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:31:40,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:31:40,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223470080]
[2020-09-25 07:31:40,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:31:40,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:31:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:31:40,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:31:40,103 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 3 states.
[2020-09-25 07:31:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:31:41,708 INFO L93 Difference]: Finished difference Result 427 states and 514 transitions.
[2020-09-25 07:31:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:31:41,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 07:31:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:31:41,731 INFO L225 Difference]: With dead ends: 427
[2020-09-25 07:31:41,731 INFO L226 Difference]: Without dead ends: 271
[2020-09-25 07:31:41,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:31:41,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2020-09-25 07:31:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230.
[2020-09-25 07:31:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-09-25 07:31:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 250 transitions.
[2020-09-25 07:31:41,867 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 250 transitions. Word has length 153
[2020-09-25 07:31:41,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:31:41,870 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 250 transitions.
[2020-09-25 07:31:41,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:31:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 250 transitions.
[2020-09-25 07:31:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 07:31:41,882 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:31:41,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:31:41,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:31:41,883 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:31:41,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:31:41,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1482403721, now seen corresponding path program 1 times
[2020-09-25 07:31:41,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:31:41,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552589617]
[2020-09-25 07:31:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:31:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:42,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 07:31:46,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:31:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020
[2020-09-25 07:31:46,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:46,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 07:31:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 07:31:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,294 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:31:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:31:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:31:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96
[2020-09-25 07:31:47,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:31:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:47,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:31:47,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:31:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:47,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:31:47,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:31:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:47,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:31:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:31:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:31:47,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 07:31:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:31:47,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 07:31:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:47,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:31:47,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 07:31:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:47,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:47,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:47,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:31:47,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:47,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:47,520 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 07:31:47,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552589617]
[2020-09-25 07:31:47,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:31:47,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 07:31:47,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515242829]
[2020-09-25 07:31:47,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 07:31:47,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:31:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 07:31:47,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:31:47,530 INFO L87 Difference]: Start difference. First operand 230 states and 250 transitions. Second operand 4 states.
[2020-09-25 07:31:48,169 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:31:48,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:31:48,890 INFO L93 Difference]: Finished difference Result 338 states and 381 transitions.
[2020-09-25 07:31:48,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 07:31:48,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 07:31:48,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:31:48,895 INFO L225 Difference]: With dead ends: 338
[2020-09-25 07:31:48,895 INFO L226 Difference]: Without dead ends: 254
[2020-09-25 07:31:48,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:31:48,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-09-25 07:31:48,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 220.
[2020-09-25 07:31:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-09-25 07:31:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 237 transitions.
[2020-09-25 07:31:48,969 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 237 transitions. Word has length 154
[2020-09-25 07:31:48,970 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:31:48,971 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 237 transitions.
[2020-09-25 07:31:48,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 07:31:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 237 transitions.
[2020-09-25 07:31:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-09-25 07:31:48,974 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:31:48,974 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]
[2020-09-25 07:31:48,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:31:48,975 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:31:48,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:31:48,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1724777335, now seen corresponding path program 1 times
[2020-09-25 07:31:48,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:31:48,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031163629]
[2020-09-25 07:31:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:31:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:49,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:52,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 07:31:52,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:31:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3756
[2020-09-25 07:31:52,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:52,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 07:31:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 07:31:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97
[2020-09-25 07:31:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,223 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:31:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:31:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:31:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267
[2020-09-25 07:31:53,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 07:31:53,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:31:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:53,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:31:53,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:31:53,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 07:31:53,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:31:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:53,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:31:53,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:31:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:31:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:53,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 07:31:53,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:31:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 07:31:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:31:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:31:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 07:31:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:31:53,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 07:31:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:53,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:31:53,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:31:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:31:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 07:31:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 07:31:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:31:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:31:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:31:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 07:31:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:53,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:53,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:53,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:31:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:31:53,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:53,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:31:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:31:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:31:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:31:53,777 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 07:31:53,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031163629]
[2020-09-25 07:31:53,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:31:53,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 07:31:53,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719447473]
[2020-09-25 07:31:53,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 07:31:53,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:31:53,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 07:31:53,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 07:31:53,783 INFO L87 Difference]: Start difference. First operand 220 states and 237 transitions. Second operand 8 states.
[2020-09-25 07:31:54,343 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:31:56,007 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:31:56,356 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:31:56,687 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:31:57,079 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:31:57,380 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:31:57,743 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:31:58,060 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:31:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:31:58,529 INFO L93 Difference]: Finished difference Result 465 states and 542 transitions.
[2020-09-25 07:31:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 07:31:58,530 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163
[2020-09-25 07:31:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:31:58,535 INFO L225 Difference]: With dead ends: 465
[2020-09-25 07:31:58,535 INFO L226 Difference]: Without dead ends: 355
[2020-09-25 07:31:58,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 07:31:58,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states.
[2020-09-25 07:31:58,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 322.
[2020-09-25 07:31:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states.
[2020-09-25 07:31:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 360 transitions.
[2020-09-25 07:31:58,630 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 360 transitions. Word has length 163
[2020-09-25 07:31:58,632 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:31:58,632 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 360 transitions.
[2020-09-25 07:31:58,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 07:31:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 360 transitions.
[2020-09-25 07:31:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2020-09-25 07:31:58,635 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:31:58,635 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]
[2020-09-25 07:31:58,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:31:58,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:31:58,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:31:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash -566413449, now seen corresponding path program 1 times
[2020-09-25 07:31:58,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:31:58,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007257325]
[2020-09-25 07:31:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:31:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:31:58,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:31:59,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:31:59,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201
[2020-09-25 07:31:59,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:31:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010
[2020-09-25 07:31:59,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:31:59,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:31:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 07:31:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 07:31:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 07:31:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:32:00,006 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:32:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:32:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:32:00,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226
[2020-09-25 07:32:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 07:32:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:32:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:32:00,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:32:00,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:32:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:32:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:32:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:32:00,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:32:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:32:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:32:00,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 07:32:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:32:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:32:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:32:00,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:32:00,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:32:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 07:32:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 07:32:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:32:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:32:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:32:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 07:32:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 07:32:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:32:00,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:32:00,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:32:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:32:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:32:00,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-09-25 07:32:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:32:00,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:32:00,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:32:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:32:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:32:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 07:32:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:32:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:32:00,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:32:00,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:32:00,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:32:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:32:00,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:32:00,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:32:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:32:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:32:00,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:32:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:32:00,475 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 07:32:00,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007257325]
[2020-09-25 07:32:00,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:32:00,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 07:32:00,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185239106]
[2020-09-25 07:32:00,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 07:32:00,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:32:00,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 07:32:00,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 07:32:00,478 INFO L87 Difference]: Start difference. First operand 322 states and 360 transitions. Second operand 6 states.
[2020-09-25 07:32:01,034 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:32:01,701 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:32:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:32:03,528 INFO L93 Difference]: Finished difference Result 945 states and 1119 transitions.
[2020-09-25 07:32:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 07:32:03,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168
[2020-09-25 07:32:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:32:03,535 INFO L225 Difference]: With dead ends: 945
[2020-09-25 07:32:03,535 INFO L226 Difference]: Without dead ends: 733
[2020-09-25 07:32:03,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-09-25 07:32:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states.
[2020-09-25 07:32:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 675.
[2020-09-25 07:32:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states.
[2020-09-25 07:32:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 779 transitions.
[2020-09-25 07:32:03,626 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 779 transitions. Word has length 168
[2020-09-25 07:32:03,626 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:32:03,626 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 779 transitions.
[2020-09-25 07:32:03,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 07:32:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 779 transitions.
[2020-09-25 07:32:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 07:32:03,630 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:32:03,631 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 07:32:03,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:32:03,631 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:32:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:32:03,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1861287888, now seen corresponding path program 1 times
[2020-09-25 07:32:03,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:32:03,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839656650]
[2020-09-25 07:32:03,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:32:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 07:32:03,692 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 07:32:03,693 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 07:32:03,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:32:03,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:32:03 BoogieIcfgContainer
[2020-09-25 07:32:03,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 07:32:03,727 INFO L168 Benchmark]: Toolchain (without parser) took 32371.72 ms. Allocated memory was 138.9 MB in the beginning and 653.3 MB in the end (delta: 514.3 MB). Free memory was 101.1 MB in the beginning and 375.1 MB in the end (delta: -274.1 MB). Peak memory consumption was 240.3 MB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,728 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.97 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 171.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,729 INFO L168 Benchmark]: Boogie Preprocessor took 94.26 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,730 INFO L168 Benchmark]: RCFGBuilder took 1300.16 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 167.0 MB in the beginning and 179.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,731 INFO L168 Benchmark]: TraceAbstraction took 30305.48 ms. Allocated memory was 233.8 MB in the beginning and 653.3 MB in the end (delta: 419.4 MB). Free memory was 179.7 MB in the beginning and 375.1 MB in the end (delta: -195.4 MB). Peak memory consumption was 224.0 MB. Max. memory is 7.1 GB.
[2020-09-25 07:32:03,735 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 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 662.97 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 171.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 94.26 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1300.16 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 167.0 MB in the beginning and 179.7 MB in the end (delta: -12.7 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 30305.48 ms. Allocated memory was 233.8 MB in the beginning and 653.3 MB in the end (delta: 419.4 MB). Free memory was 179.7 MB in the beginning and 375.1 MB in the end (delta: -195.4 MB). Peak memory consumption was 224.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L87] int cleanupTimeShifts = 4;
[L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L596] int pumpRunning = 0;
[L597] int systemActive = 1;
[L811] int waterLevel = 1;
[L812] int methaneLevelCritical = 0;
[L165] int retValue_acc ;
[L166] int tmp ;
[L170] FCALL select_helpers()
[L171] FCALL select_features()
[L172] CALL, EXPR valid_product()
[L78] int retValue_acc ;
[L81] retValue_acc = 1
[L82] return (retValue_acc);
[L172] RET, EXPR valid_product()
[L172] tmp = valid_product()
[L174] COND TRUE \read(tmp)
[L176] FCALL setup()
[L177] CALL runTest()
[L159] CALL test()
[L745] int splverifierCounter ;
[L746] int tmp ;
[L747] int tmp___0 ;
[L748] int tmp___1 ;
[L749] int tmp___2 ;
[L752] splverifierCounter = 0
[L754] COND TRUE 1
[L756] COND TRUE splverifierCounter < 4
[L762] tmp = __VERIFIER_nondet_int()
[L764] COND TRUE \read(tmp)
[L766] CALL waterRise()
[L829] COND TRUE waterLevel < 2
[L830] waterLevel = waterLevel + 1
[L766] RET waterRise()
[L772] tmp___0 = __VERIFIER_nondet_int()
[L774] COND FALSE !(\read(tmp___0))
[L782] tmp___2 = __VERIFIER_nondet_int()
[L784] COND TRUE \read(tmp___2)
[L799] CALL timeShift()
[L603] COND FALSE !(\read(pumpRunning))
[L610] COND TRUE \read(systemActive)
[L612] CALL processEnvironment()
[L632] int tmp ;
[L635] COND FALSE !(\read(pumpRunning))
[L650] FCALL processEnvironment__wrappee__base()
[L612] RET processEnvironment()
[L618] CALL __utac_acc__Specification3_spec__1()
[L558] int tmp ;
[L559] int tmp___0 ;
[L560] int tmp___1 ;
[L564] CALL, EXPR isMethaneLevelCritical()
[L850] int retValue_acc ;
[L853] retValue_acc = methaneLevelCritical
[L854] return (retValue_acc);
[L564] RET, EXPR isMethaneLevelCritical()
[L564] tmp = isMethaneLevelCritical()
[L566] COND FALSE !(\read(tmp))
[L570] CALL, EXPR getWaterLevel()
[L882] int retValue_acc ;
[L885] retValue_acc = waterLevel
[L886] return (retValue_acc);
[L570] RET, EXPR getWaterLevel()
[L570] tmp___0 = getWaterLevel()
[L572] COND TRUE tmp___0 == 2
[L574] CALL, EXPR isPumpRunning()
[L684] int retValue_acc ;
[L687] retValue_acc = pumpRunning
[L688] return (retValue_acc);
[L574] RET, EXPR isPumpRunning()
[L574] tmp___1 = isPumpRunning()
[L576] COND FALSE !(\read(tmp___1))
[L580] CALL __automaton_fail()
[L44] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 36 procedures, 596 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 888 SDtfs, 1024 SDslu, 941 SDs, 0 SdLazy, 1968 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=675occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 166 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 814 NumberOfCodeBlocks, 814 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 255464 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...