/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=1.0 --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_product02.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:40:33,228 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:40:33,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:40:33,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:40:33,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:40:33,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:40:33,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:40:33,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:40:33,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:40:33,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:40:33,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:40:33,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:40:33,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:40:33,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:40:33,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:40:33,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:40:33,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:40:33,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:40:33,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:40:33,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:40:33,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:40:33,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:40:33,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:40:33,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:40:33,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:40:33,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:40:33,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:40:33,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:40:33,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:40:33,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:40:33,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:40:33,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:40:33,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:40:33,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:40:33,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:40:33,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:40:33,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:40:33,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:40:33,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:40:33,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:40:33,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:40:33,371 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 08:40:33,417 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 08:40:33,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:40:33,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:40:33,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 08:40:33,420 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 08:40:33,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:40:33,421 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 08:40:33,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 08:40:33,422 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 08:40:33,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 08:40:33,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:40:33,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:40:33,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:40:33,424 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 08:40:33,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 08:40:33,424 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 08:40:33,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:40:33,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:40:33,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 08:40:33,425 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 08:40:33,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 08:40:33,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:40:33,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:40:33,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:40:33,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:40:33,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 08:40:33,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:40:33,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:40:33,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 08:40:33,427 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true;
[2020-09-25 08:40:33,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:40:33,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:40:33,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:40:33,921 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 08:40:33,921 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 08:40:33,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c
[2020-09-25 08:40:34,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6020129c9/2b223e461f2941d59eed6c7919a78f04/FLAG6c80c760a
[2020-09-25 08:40:34,627 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 08:40:34,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c
[2020-09-25 08:40:34,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6020129c9/2b223e461f2941d59eed6c7919a78f04/FLAG6c80c760a
[2020-09-25 08:40:34,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6020129c9/2b223e461f2941d59eed6c7919a78f04
[2020-09-25 08:40:34,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:40:34,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:40:34,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:40:34,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:40:34,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:40:34,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:40:34" (1/1) ...
[2020-09-25 08:40:34,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:34, skipping insertion in model container
[2020-09-25 08:40:34,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:40:34" (1/1) ...
[2020-09-25 08:40:34,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 08:40:35,009 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:40:35,475 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:40:35,490 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 08:40:35,569 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:40:35,604 INFO L208 MainTranslator]: Completed translation
[2020-09-25 08:40:35,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35 WrapperNode
[2020-09-25 08:40:35,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:40:35,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:40:35,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:40:35,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:40:35,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (1/1) ...
[2020-09-25 08:40:35,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:40:35,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:40:35,716 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:40:35,716 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:40:35,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (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 08:40:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:40:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:40:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 08:40:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 08:40:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 08:40:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 08:40:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 08:40:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 08:40:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 08:40:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 08:40:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 08:40:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 08:40:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 08:40:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 08:40:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 08:40:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 08:40:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 08:40:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 08:40:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 08:40:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 08:40:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 08:40:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-25 08:40:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 08:40:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 08:40:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 08:40:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 08:40:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 08:40:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 08:40:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 08:40:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 08:40:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:40:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 08:40:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 08:40:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 08:40:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 08:40:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 08:40:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 08:40:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 08:40:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:40:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 08:40:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 08:40:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 08:40:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 08:40:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 08:40:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:40:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 08:40:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:40:36,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:40:36,918 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 08:40:36,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:40:36 BoogieIcfgContainer
[2020-09-25 08:40:36,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:40:36,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:40:36,927 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:40:36,930 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:40:36,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:40:34" (1/3) ...
[2020-09-25 08:40:36,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c88af19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:40:36, skipping insertion in model container
[2020-09-25 08:40:36,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:40:35" (2/3) ...
[2020-09-25 08:40:36,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c88af19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:40:36, skipping insertion in model container
[2020-09-25 08:40:36,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:40:36" (3/3) ...
[2020-09-25 08:40:36,935 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c
[2020-09-25 08:40:36,944 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:40:36,958 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 08:40:36,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 08:40:37,012 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:40:37,013 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 08:40:37,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:40:37,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:40:37,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:40:37,014 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 08:40:37,014 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:40:37,014 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:40:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states.
[2020-09-25 08:40:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 08:40:37,060 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:40:37,062 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 08:40:37,062 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:40:37,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:40:37,071 INFO L82 PathProgramCache]: Analyzing trace with hash -96465303, now seen corresponding path program 1 times
[2020-09-25 08:40:37,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:40:37,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591513327]
[2020-09-25 08:40:37,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:40:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:37,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:37,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:39,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:42,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:42,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 08:40:42,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 08:40:42,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032
[2020-09-25 08:40:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:42,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 08:40:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11
[2020-09-25 08:40:42,923 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 08:40:42,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:40:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 08:40:43,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114
[2020-09-25 08:40:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 08:40:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:43,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 08:40:43,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 08:40:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 08:40:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 08:40:43,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 08:40:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:43,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:43,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 08:40:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:43,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:43,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 08:40:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:43,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:43,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 08:40:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:43,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:43,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:43,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:43,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:43,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:43,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:43,236 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 08:40:43,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591513327]
[2020-09-25 08:40:43,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:40:43,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 08:40:43,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462937195]
[2020-09-25 08:40:43,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 08:40:43,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:40:43,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 08:40:43,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:40:43,279 INFO L87 Difference]: Start difference. First operand 262 states. Second operand 3 states.
[2020-09-25 08:40:44,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:40:44,438 INFO L93 Difference]: Finished difference Result 374 states and 448 transitions.
[2020-09-25 08:40:44,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 08:40:44,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 08:40:44,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:40:44,460 INFO L225 Difference]: With dead ends: 374
[2020-09-25 08:40:44,461 INFO L226 Difference]: Without dead ends: 243
[2020-09-25 08:40:44,467 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 08:40:44,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2020-09-25 08:40:44,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 205.
[2020-09-25 08:40:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states.
[2020-09-25 08:40:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions.
[2020-09-25 08:40:44,595 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 153
[2020-09-25 08:40:44,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:40:44,599 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions.
[2020-09-25 08:40:44,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 08:40:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions.
[2020-09-25 08:40:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 08:40:44,612 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:40:44,612 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 08:40:44,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:40:44,613 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:40:44,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:40:44,613 INFO L82 PathProgramCache]: Analyzing trace with hash -116924770, now seen corresponding path program 1 times
[2020-09-25 08:40:44,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:40:44,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975213730]
[2020-09-25 08:40:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:40:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:44,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:46,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:49,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 08:40:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 08:40:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002
[2020-09-25 08:40:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:49,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 08:40:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 08:40:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:49,990 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 08:40:49,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:40:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 08:40:50,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102
[2020-09-25 08:40:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 08:40:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:50,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:50,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 08:40:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:50,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 08:40:50,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 08:40:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:50,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 08:40:50,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:50,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 08:40:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:50,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 08:40:50,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 08:40:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:50,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:50,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 08:40:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:50,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 08:40:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:50,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:50,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:50,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:50,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:50,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:50,236 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 08:40:50,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975213730]
[2020-09-25 08:40:50,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:40:50,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 08:40:50,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497599308]
[2020-09-25 08:40:50,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 08:40:50,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:40:50,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 08:40:50,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:40:50,247 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand 4 states.
[2020-09-25 08:40:50,974 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 08:40:51,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:40:51,590 INFO L93 Difference]: Finished difference Result 287 states and 319 transitions.
[2020-09-25 08:40:51,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 08:40:51,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 08:40:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:40:51,595 INFO L225 Difference]: With dead ends: 287
[2020-09-25 08:40:51,595 INFO L226 Difference]: Without dead ends: 226
[2020-09-25 08:40:51,599 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 08:40:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2020-09-25 08:40:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195.
[2020-09-25 08:40:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states.
[2020-09-25 08:40:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 206 transitions.
[2020-09-25 08:40:51,657 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 206 transitions. Word has length 154
[2020-09-25 08:40:51,660 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:40:51,660 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 206 transitions.
[2020-09-25 08:40:51,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 08:40:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 206 transitions.
[2020-09-25 08:40:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-25 08:40:51,663 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:40:51,664 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 08:40:51,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:40:51,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:40:51,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:40:51,665 INFO L82 PathProgramCache]: Analyzing trace with hash -529547900, now seen corresponding path program 1 times
[2020-09-25 08:40:51,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:40:51,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426756445]
[2020-09-25 08:40:51,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:40:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:54,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-25 08:40:54,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:40:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2860
[2020-09-25 08:40:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:54,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 08:40:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 08:40:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:54,913 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 08:40:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:40:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:54,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 08:40:55,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95
[2020-09-25 08:40:55,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 08:40:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:55,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 08:40:55,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 08:40:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:55,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 08:40:55,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 08:40:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 08:40:55,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 08:40:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:55,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:55,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 08:40:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 08:40:55,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 08:40:55,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 08:40:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 08:40:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:55,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:55,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:55,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 08:40:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:55,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:55,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:55,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-25 08:40:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:55,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:55,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:55,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:55,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:55,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:55,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:55,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:55,156 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 08:40:55,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426756445]
[2020-09-25 08:40:55,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:40:55,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 08:40:55,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742745983]
[2020-09-25 08:40:55,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 08:40:55,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:40:55,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 08:40:55,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 08:40:55,162 INFO L87 Difference]: Start difference. First operand 195 states and 206 transitions. Second operand 5 states.
[2020-09-25 08:40:55,632 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 08:40:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:40:56,324 INFO L93 Difference]: Finished difference Result 333 states and 381 transitions.
[2020-09-25 08:40:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 08:40:56,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167
[2020-09-25 08:40:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:40:56,329 INFO L225 Difference]: With dead ends: 333
[2020-09-25 08:40:56,329 INFO L226 Difference]: Without dead ends: 248
[2020-09-25 08:40:56,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 08:40:56,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states.
[2020-09-25 08:40:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 195.
[2020-09-25 08:40:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states.
[2020-09-25 08:40:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 205 transitions.
[2020-09-25 08:40:56,396 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 205 transitions. Word has length 167
[2020-09-25 08:40:56,397 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:40:56,397 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 205 transitions.
[2020-09-25 08:40:56,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 08:40:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 205 transitions.
[2020-09-25 08:40:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-25 08:40:56,400 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:40:56,400 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 08:40:56,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:40:56,400 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:40:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:40:56,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1664545682, now seen corresponding path program 1 times
[2020-09-25 08:40:56,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:40:56,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659115391]
[2020-09-25 08:40:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:40:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:56,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 08:40:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1701
[2020-09-25 08:40:58,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 08:40:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 08:40:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108
[2020-09-25 08:40:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:58,550 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 08:40:58,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:40:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 08:40:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 08:40:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 08:40:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:58,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:58,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 08:40:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:58,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 08:40:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 08:40:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:58,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 08:40:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:58,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:40:58,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 08:40:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 08:40:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:58,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:58,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 08:40:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-25 08:40:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 08:40:58,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 08:40:58,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 08:40:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 08:40:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 08:40:58,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 08:40:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 08:40:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-25 08:40:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:58,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:40:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 08:40:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 08:40:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-25 08:40:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:58,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:58,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:58,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:58,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:40:58,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:58,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 08:40:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:40:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 08:40:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:59,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-25 08:40:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:40:59,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:40:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:40:59,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:40:59,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:40:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 08:40:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:40:59,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:40:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:40:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 08:40:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:40:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:40:59,184 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 08:40:59,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659115391]
[2020-09-25 08:40:59,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:40:59,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 08:40:59,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330705149]
[2020-09-25 08:40:59,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 08:40:59,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:40:59,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 08:40:59,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 08:40:59,187 INFO L87 Difference]: Start difference. First operand 195 states and 205 transitions. Second operand 10 states.
[2020-09-25 08:40:59,889 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 08:41:01,302 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 08:41:01,652 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 08:41:02,034 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 08:41:02,360 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 08:41:02,622 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-25 08:41:02,898 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 08:41:03,142 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 08:41:03,538 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 08:41:04,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:41:04,150 INFO L93 Difference]: Finished difference Result 433 states and 511 transitions.
[2020-09-25 08:41:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 08:41:04,151 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170
[2020-09-25 08:41:04,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:41:04,156 INFO L225 Difference]: With dead ends: 433
[2020-09-25 08:41:04,156 INFO L226 Difference]: Without dead ends: 348
[2020-09-25 08:41:04,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-25 08:41:04,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states.
[2020-09-25 08:41:04,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273.
[2020-09-25 08:41:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states.
[2020-09-25 08:41:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 296 transitions.
[2020-09-25 08:41:04,208 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 296 transitions. Word has length 170
[2020-09-25 08:41:04,208 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:41:04,208 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 296 transitions.
[2020-09-25 08:41:04,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 08:41:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 296 transitions.
[2020-09-25 08:41:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-09-25 08:41:04,211 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:41:04,211 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 08:41:04,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 08:41:04,212 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:41:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:41:04,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1378336310, now seen corresponding path program 1 times
[2020-09-25 08:41:04,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:41:04,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675605530]
[2020-09-25 08:41:04,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:41:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 08:41:04,275 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 08:41:04,275 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 08:41:04,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 08:41:04,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:41:04 BoogieIcfgContainer
[2020-09-25 08:41:04,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:41:04,310 INFO L168 Benchmark]: Toolchain (without parser) took 29373.96 ms. Allocated memory was 138.9 MB in the beginning and 631.8 MB in the end (delta: 492.8 MB). Free memory was 100.0 MB in the beginning and 547.8 MB in the end (delta: -447.9 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,310 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.74 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 99.3 MB in the beginning and 170.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,312 INFO L168 Benchmark]: Boogie Preprocessor took 109.05 ms. Allocated memory is still 201.3 MB. Free memory was 170.4 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,313 INFO L168 Benchmark]: RCFGBuilder took 1209.98 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 180.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,314 INFO L168 Benchmark]: TraceAbstraction took 27380.97 ms. Allocated memory was 233.3 MB in the beginning and 631.8 MB in the end (delta: 398.5 MB). Free memory was 180.9 MB in the beginning and 547.8 MB in the end (delta: -366.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB.
[2020-09-25 08:41:04,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 664.74 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 99.3 MB in the beginning and 170.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 109.05 ms. Allocated memory is still 201.3 MB. Free memory was 170.4 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1209.98 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 180.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 27380.97 ms. Allocated memory was 233.3 MB in the beginning and 631.8 MB in the end (delta: 398.5 MB). Free memory was 180.9 MB in the beginning and 547.8 MB in the end (delta: -366.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L462] int pumpRunning = 0;
[L463] int systemActive = 1;
[L683] int cleanupTimeShifts = 4;
[L779] int waterLevel = 1;
[L780] int methaneLevelCritical = 0;
[L756] int retValue_acc ;
[L757] int tmp ;
[L761] FCALL select_helpers()
[L762] FCALL select_features()
[L763] CALL, EXPR valid_product()
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
[L763] RET, EXPR valid_product()
[L763] tmp = valid_product()
[L765] COND TRUE \read(tmp)
[L767] FCALL setup()
[L768] CALL runTest()
[L750] CALL test()
[L617] int splverifierCounter ;
[L618] int tmp ;
[L619] int tmp___0 ;
[L620] int tmp___1 ;
[L621] int tmp___2 ;
[L624] splverifierCounter = 0
[L626] COND TRUE 1
[L628] COND TRUE splverifierCounter < 4
[L634] tmp = __VERIFIER_nondet_int()
[L636] COND TRUE \read(tmp)
[L638] CALL waterRise()
[L797] COND TRUE waterLevel < 2
[L798] waterLevel = waterLevel + 1
[L638] RET waterRise()
[L644] tmp___0 = __VERIFIER_nondet_int()
[L646] COND FALSE !(\read(tmp___0))
[L654] tmp___2 = __VERIFIER_nondet_int()
[L656] COND TRUE \read(tmp___2)
[L658] CALL startSystem()
[L573] systemActive = 1
[L658] RET startSystem()
[L671] CALL timeShift()
[L470] COND FALSE !(\read(pumpRunning))
[L477] COND TRUE \read(systemActive)
[L479] FCALL processEnvironment()
[L485] CALL __utac_acc__Specification3_spec__1()
[L580] int tmp ;
[L581] int tmp___0 ;
[L582] int tmp___1 ;
[L586] CALL, EXPR isMethaneLevelCritical()
[L818] int retValue_acc ;
[L821] retValue_acc = methaneLevelCritical
[L822] return (retValue_acc);
[L586] RET, EXPR isMethaneLevelCritical()
[L586] tmp = isMethaneLevelCritical()
[L588] COND FALSE !(\read(tmp))
[L592] CALL, EXPR getWaterLevel()
[L850] int retValue_acc ;
[L853] retValue_acc = waterLevel
[L854] return (retValue_acc);
[L592] RET, EXPR getWaterLevel()
[L592] tmp___0 = getWaterLevel()
[L594] COND TRUE tmp___0 == 2
[L596] CALL, EXPR isPumpRunning()
[L525] int retValue_acc ;
[L528] retValue_acc = pumpRunning
[L529] return (retValue_acc);
[L596] RET, EXPR isPumpRunning()
[L596] tmp___1 = isPumpRunning()
[L598] COND FALSE !(\read(tmp___1))
[L602] CALL __automaton_fail()
[L82] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 35 procedures, 582 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 760 SDtfs, 974 SDslu, 743 SDs, 0 SdLazy, 1458 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 197 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 251084 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...