/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:13:51,036 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:13:51,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:13:51,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:13:51,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:13:51,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:13:51,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:13:51,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:13:51,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:13:51,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:13:51,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:13:51,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:13:51,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:13:51,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:13:51,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:13:51,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:13:51,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:13:51,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:13:51,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:13:51,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:13:51,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:13:51,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:13:51,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:13:51,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:13:51,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:13:51,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:13:51,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:13:51,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:13:51,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:13:51,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:13:51,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:13:51,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:13:51,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:13:51,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:13:51,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:13:51,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:13:51,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:13:51,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:13:51,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:13:51,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:13:51,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:13:51,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 05:13:51,175 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:13:51,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:13:51,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:13:51,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:13:51,177 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:13:51,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:13:51,178 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:13:51,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:13:51,178 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:13:51,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:13:51,181 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:13:51,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:13:51,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:13:51,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:13:51,182 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:13:51,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:13:51,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:13:51,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:13:51,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:13:51,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:13:51,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:13:51,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:13:51,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:13:51,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:13:51,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:13:51,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:13:51,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:13:51,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:13:51,707 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:13:51,707 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:13:51,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
[2020-09-25 05:13:51,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/750c171b6/fb989fc26d9a4ef18a434891b9afdb6e/FLAG5def39654
[2020-09-25 05:13:52,450 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:13:52,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
[2020-09-25 05:13:52,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/750c171b6/fb989fc26d9a4ef18a434891b9afdb6e/FLAG5def39654
[2020-09-25 05:13:52,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/750c171b6/fb989fc26d9a4ef18a434891b9afdb6e
[2020-09-25 05:13:52,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:13:52,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:13:52,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:13:52,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:13:52,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:13:52,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:13:52" (1/1) ...
[2020-09-25 05:13:52,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2830e110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:52, skipping insertion in model container
[2020-09-25 05:13:52,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:13:52" (1/1) ...
[2020-09-25 05:13:52,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:13:52,752 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:13:53,236 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:13:53,252 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:13:53,346 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:13:53,381 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:13:53,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53 WrapperNode
[2020-09-25 05:13:53,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:13:53,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:13:53,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:13:53,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:13:53,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
[2020-09-25 05:13:53,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:13:53,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:13:53,478 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:13:53,478 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:13:53,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:13:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:13:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:13:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:13:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:13:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:13:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:13:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:13:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:13:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:13:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:13:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:13:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:13:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:13:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:13:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:13:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:13:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:13:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:13:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 05:13:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 05:13:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:13:53,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:13:53,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:13:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:13:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:13:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:13:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:13:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:13:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:13:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:13:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:13:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:13:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:13:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:13:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:13:54,786 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:13:54,787 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:13:54,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:13:54 BoogieIcfgContainer
[2020-09-25 05:13:54,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:13:54,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:13:54,796 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:13:54,800 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:13:54,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:13:52" (1/3) ...
[2020-09-25 05:13:54,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4144900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:13:54, skipping insertion in model container
[2020-09-25 05:13:54,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:13:53" (2/3) ...
[2020-09-25 05:13:54,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4144900b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:13:54, skipping insertion in model container
[2020-09-25 05:13:54,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:13:54" (3/3) ...
[2020-09-25 05:13:54,804 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c
[2020-09-25 05:13:54,814 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:13:54,824 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:13:54,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:13:54,880 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:13:54,880 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:13:54,880 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:13:54,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:13:54,880 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:13:54,880 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:13:54,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:13:54,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:13:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states.
[2020-09-25 05:13:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 05:13:54,928 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:13:54,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:13:54,930 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:13:54,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:13:54,938 INFO L82 PathProgramCache]: Analyzing trace with hash 713311147, now seen corresponding path program 1 times
[2020-09-25 05:13:54,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:13:54,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766109940]
[2020-09-25 05:13:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:13:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:13:55,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:13:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:13:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:00,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:00,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 05:14:00,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:14:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005
[2020-09-25 05:14:00,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:00,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:14:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:00,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:14:00,763 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:00,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:00,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:00,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:00,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141
[2020-09-25 05:14:00,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:00,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:00,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11
[2020-09-25 05:14:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:14:01,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:14:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:14:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 05:14:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:01,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:01,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:01,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:01,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:01,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:01,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:14:01,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766109940]
[2020-09-25 05:14:01,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:01,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:14:01,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406308231]
[2020-09-25 05:14:01,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:14:01,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:01,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:14:01,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:14:01,189 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 3 states.
[2020-09-25 05:14:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:02,521 INFO L93 Difference]: Finished difference Result 394 states and 471 transitions.
[2020-09-25 05:14:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 05:14:02,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 05:14:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:02,551 INFO L225 Difference]: With dead ends: 394
[2020-09-25 05:14:02,551 INFO L226 Difference]: Without dead ends: 254
[2020-09-25 05:14:02,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:14:02,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-09-25 05:14:02,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 214.
[2020-09-25 05:14:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states.
[2020-09-25 05:14:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions.
[2020-09-25 05:14:02,767 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 153
[2020-09-25 05:14:02,769 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:02,769 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions.
[2020-09-25 05:14:02,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:14:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions.
[2020-09-25 05:14:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 05:14:02,782 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:02,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:14:02,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:14:02,783 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:02,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:02,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1000146475, now seen corresponding path program 1 times
[2020-09-25 05:14:02,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:02,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101615305]
[2020-09-25 05:14:02,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:03,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:04,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:07,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:07,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 05:14:07,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:14:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032
[2020-09-25 05:14:07,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:07,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:07,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:07,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:14:07,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:14:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,252 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:08,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100
[2020-09-25 05:14:08,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:08,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:08,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:08,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:08,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 05:14:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:08,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 05:14:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:08,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 05:14:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:08,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:08,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:08,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:08,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:14:08,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101615305]
[2020-09-25 05:14:08,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:08,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:14:08,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208272429]
[2020-09-25 05:14:08,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:14:08,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:08,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:14:08,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:14:08,559 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states.
[2020-09-25 05:14:09,250 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:14:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:09,898 INFO L93 Difference]: Finished difference Result 298 states and 332 transitions.
[2020-09-25 05:14:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 05:14:09,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 05:14:09,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:09,902 INFO L225 Difference]: With dead ends: 298
[2020-09-25 05:14:09,902 INFO L226 Difference]: Without dead ends: 237
[2020-09-25 05:14:09,905 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 05:14:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states.
[2020-09-25 05:14:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 204.
[2020-09-25 05:14:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states.
[2020-09-25 05:14:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions.
[2020-09-25 05:14:09,950 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 154
[2020-09-25 05:14:09,950 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:09,951 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions.
[2020-09-25 05:14:09,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:14:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions.
[2020-09-25 05:14:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 05:14:09,953 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:09,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:14:09,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:14:09,954 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:09,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1955216043, now seen corresponding path program 1 times
[2020-09-25 05:14:09,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:09,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25587877]
[2020-09-25 05:14:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 05:14:13,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:14:13,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3451
[2020-09-25 05:14:13,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 05:14:13,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 05:14:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,748 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:14:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:14:13,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:14:13,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:13,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:13,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 05:14:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:14:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 05:14:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 05:14:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 05:14:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 05:14:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:13,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:13,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:13,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:13,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:13,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:13,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:14:14,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25587877]
[2020-09-25 05:14:14,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:14,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 05:14:14,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973116204]
[2020-09-25 05:14:14,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 05:14:14,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:14,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 05:14:14,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:14:14,012 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 5 states.
[2020-09-25 05:14:14,512 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:14:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:15,753 INFO L93 Difference]: Finished difference Result 454 states and 523 transitions.
[2020-09-25 05:14:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 05:14:15,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167
[2020-09-25 05:14:15,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:15,758 INFO L225 Difference]: With dead ends: 454
[2020-09-25 05:14:15,759 INFO L226 Difference]: Without dead ends: 360
[2020-09-25 05:14:15,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:14:15,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2020-09-25 05:14:15,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 282.
[2020-09-25 05:14:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2020-09-25 05:14:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 305 transitions.
[2020-09-25 05:14:15,818 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 305 transitions. Word has length 167
[2020-09-25 05:14:15,819 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:15,819 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 305 transitions.
[2020-09-25 05:14:15,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 05:14:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 305 transitions.
[2020-09-25 05:14:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 05:14:15,821 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:15,822 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]
[2020-09-25 05:14:15,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:14:15,822 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:15,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:15,823 INFO L82 PathProgramCache]: Analyzing trace with hash 546702602, now seen corresponding path program 1 times
[2020-09-25 05:14:15,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:15,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931520283]
[2020-09-25 05:14:15,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:15,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 05:14:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2139
[2020-09-25 05:14:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 05:14:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 05:14:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112
[2020-09-25 05:14:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,516 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:14:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:14:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:14:18,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269
[2020-09-25 05:14:18,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 05:14:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:14:18,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:14:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:14:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:14:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 05:14:18,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:18,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:14:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 05:14:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 05:14:18,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:14:18,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 05:14:18,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:14:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:14:18,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:14:18,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:14:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 05:14:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:18,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:14:18,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:18,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:14:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 05:14:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:19,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:19,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 05:14:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:19,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:14:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:14:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:14:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:14:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 05:14:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:14:19,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:14:19,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:14:19,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:14:19,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:14:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:14:19,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:14:19,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:14:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:14:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:14:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:14:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:14:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:14:19,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931520283]
[2020-09-25 05:14:19,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:14:19,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 05:14:19,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292370294]
[2020-09-25 05:14:19,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 05:14:19,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:14:19,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 05:14:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 05:14:19,086 INFO L87 Difference]: Start difference. First operand 282 states and 305 transitions. Second operand 10 states.
[2020-09-25 05:14:19,579 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:14:21,102 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:14:21,442 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:14:21,783 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:14:22,130 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:14:22,435 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 05:14:22,770 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:14:23,081 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:14:23,485 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:14:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:14:24,126 INFO L93 Difference]: Finished difference Result 704 states and 839 transitions.
[2020-09-25 05:14:24,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 05:14:24,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170
[2020-09-25 05:14:24,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:14:24,133 INFO L225 Difference]: With dead ends: 704
[2020-09-25 05:14:24,134 INFO L226 Difference]: Without dead ends: 532
[2020-09-25 05:14:24,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 05:14:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states.
[2020-09-25 05:14:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 443.
[2020-09-25 05:14:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states.
[2020-09-25 05:14:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 495 transitions.
[2020-09-25 05:14:24,222 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 495 transitions. Word has length 170
[2020-09-25 05:14:24,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:14:24,223 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 495 transitions.
[2020-09-25 05:14:24,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 05:14:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 495 transitions.
[2020-09-25 05:14:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-09-25 05:14:24,227 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:14:24,227 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]
[2020-09-25 05:14:24,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:14:24,227 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:14:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:14:24,228 INFO L82 PathProgramCache]: Analyzing trace with hash 194624342, now seen corresponding path program 1 times
[2020-09-25 05:14:24,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:14:24,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504085527]
[2020-09-25 05:14:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:14:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 05:14:24,297 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 05:14:24,298 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 05:14:24,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 05:14:24,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:14:24 BoogieIcfgContainer
[2020-09-25 05:14:24,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:14:24,333 INFO L168 Benchmark]: Toolchain (without parser) took 31660.94 ms. Allocated memory was 146.8 MB in the beginning and 609.7 MB in the end (delta: 462.9 MB). Free memory was 101.9 MB in the beginning and 124.8 MB in the end (delta: -22.9 MB). Peak memory consumption was 440.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,334 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 170.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,336 INFO L168 Benchmark]: Boogie Preprocessor took 94.58 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,337 INFO L168 Benchmark]: RCFGBuilder took 1316.53 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.3 MB in the beginning and 179.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,338 INFO L168 Benchmark]: TraceAbstraction took 29535.59 ms. Allocated memory was 237.0 MB in the beginning and 609.7 MB in the end (delta: 372.8 MB). Free memory was 179.1 MB in the beginning and 124.8 MB in the end (delta: 54.3 MB). Peak memory consumption was 427.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:14:24,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 170.3 MB in the end (delta: -69.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 94.58 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1316.53 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.3 MB in the beginning and 179.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 29535.59 ms. Allocated memory was 237.0 MB in the beginning and 609.7 MB in the end (delta: 372.8 MB). Free memory was 179.1 MB in the beginning and 124.8 MB in the end (delta: 54.3 MB). Peak memory consumption was 427.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L46] int waterLevel = 1;
[L47] int methaneLevelCritical = 0;
[L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L530] int cleanupTimeShifts = 4;
[L677] int pumpRunning = 0;
[L678] int systemActive = 1;
[L606] int retValue_acc ;
[L607] int tmp ;
[L611] FCALL select_helpers()
[L612] FCALL select_features()
[L613] CALL, EXPR valid_product()
[L521] int retValue_acc ;
[L524] retValue_acc = 1
[L525] return (retValue_acc);
[L613] RET, EXPR valid_product()
[L613] tmp = valid_product()
[L615] COND TRUE \read(tmp)
[L617] FCALL setup()
[L618] CALL runTest()
[L600] CALL test()
[L808] int splverifierCounter ;
[L809] int tmp ;
[L810] int tmp___0 ;
[L811] int tmp___1 ;
[L812] int tmp___2 ;
[L815] splverifierCounter = 0
[L817] COND TRUE 1
[L819] COND TRUE splverifierCounter < 4
[L825] tmp = __VERIFIER_nondet_int()
[L827] COND TRUE \read(tmp)
[L829] CALL waterRise()
[L64] COND TRUE waterLevel < 2
[L65] waterLevel = waterLevel + 1
[L829] RET waterRise()
[L835] tmp___0 = __VERIFIER_nondet_int()
[L837] COND FALSE !(\read(tmp___0))
[L845] tmp___2 = __VERIFIER_nondet_int()
[L847] COND TRUE \read(tmp___2)
[L849] CALL startSystem()
[L802] systemActive = 1
[L849] RET startSystem()
[L864] CALL timeShift()
[L684] COND FALSE !(\read(pumpRunning))
[L691] COND TRUE \read(systemActive)
[L693] FCALL processEnvironment()
[L699] CALL __utac_acc__Specification3_spec__1()
[L640] int tmp ;
[L641] int tmp___0 ;
[L642] int tmp___1 ;
[L646] CALL, EXPR isMethaneLevelCritical()
[L85] int retValue_acc ;
[L88] retValue_acc = methaneLevelCritical
[L89] return (retValue_acc);
[L646] RET, EXPR isMethaneLevelCritical()
[L646] tmp = isMethaneLevelCritical()
[L648] COND FALSE !(\read(tmp))
[L652] CALL, EXPR getWaterLevel()
[L117] int retValue_acc ;
[L120] retValue_acc = waterLevel
[L121] return (retValue_acc);
[L652] RET, EXPR getWaterLevel()
[L652] tmp___0 = getWaterLevel()
[L654] COND TRUE tmp___0 == 2
[L656] CALL, EXPR isPumpRunning()
[L739] int retValue_acc ;
[L742] retValue_acc = pumpRunning
[L743] return (retValue_acc);
[L656] RET, EXPR isPumpRunning()
[L656] tmp___1 = isPumpRunning()
[L658] COND FALSE !(\read(tmp___1))
[L662] CALL __automaton_fail()
[L633] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 36 procedures, 588 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 797 SDtfs, 1085 SDslu, 802 SDs, 0 SdLazy, 1665 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred 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, 240 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 252436 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...