/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product35.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:15:18,120 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:15:18,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:15:18,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:15:18,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:15:18,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:15:18,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:15:18,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:15:18,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:15:18,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:15:18,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:15:18,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:15:18,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:15:18,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:15:18,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:15:18,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:15:18,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:15:18,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:15:18,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:15:18,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:15:18,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:15:18,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:15:18,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:15:18,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:15:18,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:15:18,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:15:18,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:15:18,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:15:18,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:15:18,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:15:18,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:15:18,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:15:18,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:15:18,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:15:18,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:15:18,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:15:18,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:15:18,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:15:18,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:15:18,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:15:18,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:15:18,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 05:15:18,294 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:15:18,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:15:18,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:15:18,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:15:18,298 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:15:18,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:15:18,298 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:15:18,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:15:18,299 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:15:18,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:15:18,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:15:18,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:15:18,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:15:18,301 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:15:18,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:15:18,301 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:15:18,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:15:18,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:15:18,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:15:18,302 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:15:18,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:15:18,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:15:18,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:15:18,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:15:18,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:15:18,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:15:18,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:15:18,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:15:18,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:15:18,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:15:18,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:15:18,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:15:18,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:15:18,800 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:15:18,801 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:15:18,802 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product35.cil.c
[2020-09-25 05:15:18,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d0d3a29b/d16d6713bb0842018155a1262ff07bf6/FLAG1b5de1520
[2020-09-25 05:15:19,470 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:15:19,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product35.cil.c
[2020-09-25 05:15:19,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d0d3a29b/d16d6713bb0842018155a1262ff07bf6/FLAG1b5de1520
[2020-09-25 05:15:19,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d0d3a29b/d16d6713bb0842018155a1262ff07bf6
[2020-09-25 05:15:19,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:15:19,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:15:19,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:15:19,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:15:19,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:15:19,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:15:19" (1/1) ...
[2020-09-25 05:15:19,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:19, skipping insertion in model container
[2020-09-25 05:15:19,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:15:19" (1/1) ...
[2020-09-25 05:15:19,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:15:19,808 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:15:20,188 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:15:20,207 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:15:20,395 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:15:20,436 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:15:20,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20 WrapperNode
[2020-09-25 05:15:20,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:15:20,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:15:20,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:15:20,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:15:20,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
[2020-09-25 05:15:20,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:15:20,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:15:20,543 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:15:20,543 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:15:20,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:15:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:15:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:15:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:15:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 05:15:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 05:15:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 05:15:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 05:15:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 05:15:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 05:15:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 05:15:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 05:15:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 05:15:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 05:15:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 05:15:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:15:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 05:15:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 05:15:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 05:15:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 05:15:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 05:15:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 05:15:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 05:15:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 05:15:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:15:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:15:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 05:15:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 05:15:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 05:15:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 05:15:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 05:15:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 05:15:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 05:15:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 05:15:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 05:15:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:15:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:15:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 05:15:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 05:15:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:15:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 05:15:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 05:15:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 05:15:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:15:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 05:15:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:15:21,818 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:15:21,819 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 05:15:21,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:15:21 BoogieIcfgContainer
[2020-09-25 05:15:21,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:15:21,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:15:21,828 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:15:21,832 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:15:21,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:15:19" (1/3) ...
[2020-09-25 05:15:21,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ec11b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:15:21, skipping insertion in model container
[2020-09-25 05:15:21,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:15:20" (2/3) ...
[2020-09-25 05:15:21,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ec11b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:15:21, skipping insertion in model container
[2020-09-25 05:15:21,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:15:21" (3/3) ...
[2020-09-25 05:15:21,837 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product35.cil.c
[2020-09-25 05:15:21,850 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:15:21,863 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:15:21,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:15:21,925 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:15:21,925 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:15:21,926 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:15:21,926 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:15:21,926 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:15:21,926 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:15:21,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:15:21,927 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:15:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states.
[2020-09-25 05:15:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 05:15:21,978 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:15:21,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:15:21,980 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:15:21,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:15:21,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2007669194, now seen corresponding path program 1 times
[2020-09-25 05:15:22,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:15:22,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218307357]
[2020-09-25 05:15:22,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:15:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:22,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:22,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:24,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 05:15:27,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:15:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049
[2020-09-25 05:15:27,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:27,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 05:15:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:27,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9
[2020-09-25 05:15:28,103 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:15:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:15:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:15:28,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123
[2020-09-25 05:15:28,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:28,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:15:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:28,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:28,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:15:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:28,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:15:28,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:15:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:15:28,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:15:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:28,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 05:15:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:28,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:28,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:15:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 05:15:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:28,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:28,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:28,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:28,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:15:28,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:28,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:28,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:28,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:28,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:15:28,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218307357]
[2020-09-25 05:15:28,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:15:28,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:15:28,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833286896]
[2020-09-25 05:15:28,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:15:28,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:15:28,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:15:28,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:15:28,504 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 3 states.
[2020-09-25 05:15:30,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:15:30,010 INFO L93 Difference]: Finished difference Result 461 states and 548 transitions.
[2020-09-25 05:15:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 05:15:30,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 05:15:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:15:30,049 INFO L225 Difference]: With dead ends: 461
[2020-09-25 05:15:30,049 INFO L226 Difference]: Without dead ends: 288
[2020-09-25 05:15:30,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:15:30,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states.
[2020-09-25 05:15:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 247.
[2020-09-25 05:15:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states.
[2020-09-25 05:15:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 267 transitions.
[2020-09-25 05:15:30,251 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 267 transitions. Word has length 153
[2020-09-25 05:15:30,255 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:15:30,255 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 267 transitions.
[2020-09-25 05:15:30,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:15:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 267 transitions.
[2020-09-25 05:15:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 05:15:30,263 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:15:30,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:15:30,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:15:30,264 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:15:30,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:15:30,265 INFO L82 PathProgramCache]: Analyzing trace with hash -986006503, now seen corresponding path program 1 times
[2020-09-25 05:15:30,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:15:30,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280648802]
[2020-09-25 05:15:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:15:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:30,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:32,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 05:15:35,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 05:15:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036
[2020-09-25 05:15:35,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 05:15:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 05:15:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,668 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:15:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:15:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:15:35,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-25 05:15:35,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:35,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:15:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:35,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:35,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:15:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:15:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:15:35,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:15:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:35,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:35,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 05:15:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 05:15:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:35,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:15:35,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 05:15:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:35,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:35,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:35,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:35,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:35,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:35,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:35,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:15:35,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280648802]
[2020-09-25 05:15:35,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:15:35,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:15:35,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110269509]
[2020-09-25 05:15:35,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:15:35,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:15:35,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:15:35,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:15:35,952 INFO L87 Difference]: Start difference. First operand 247 states and 267 transitions. Second operand 4 states.
[2020-09-25 05:15:36,581 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:15:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:15:37,564 INFO L93 Difference]: Finished difference Result 369 states and 413 transitions.
[2020-09-25 05:15:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 05:15:37,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 05:15:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:15:37,569 INFO L225 Difference]: With dead ends: 369
[2020-09-25 05:15:37,574 INFO L226 Difference]: Without dead ends: 271
[2020-09-25 05:15:37,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:15:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2020-09-25 05:15:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 237.
[2020-09-25 05:15:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states.
[2020-09-25 05:15:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 254 transitions.
[2020-09-25 05:15:37,619 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 254 transitions. Word has length 154
[2020-09-25 05:15:37,619 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:15:37,619 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 254 transitions.
[2020-09-25 05:15:37,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:15:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 254 transitions.
[2020-09-25 05:15:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-09-25 05:15:37,622 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:15:37,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:15:37,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:15:37,623 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:15:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:15:37,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1560512259, now seen corresponding path program 1 times
[2020-09-25 05:15:37,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:15:37,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444275234]
[2020-09-25 05:15:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:15:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 05:15:41,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:15:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3357
[2020-09-25 05:15:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 05:15:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 05:15:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70
[2020-09-25 05:15:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,416 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:15:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:15:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:15:41,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246
[2020-09-25 05:15:41,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 05:15:41,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:15:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:41,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:41,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:41,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:15:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:41,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:41,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:41,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:15:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:41,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 05:15:41,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:15:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:15:41,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:15:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:41,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:41,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 05:15:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:41,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:41,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 05:15:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:41,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 05:15:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:41,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:41,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:41,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:41,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:41,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:41,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:15:41,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444275234]
[2020-09-25 05:15:41,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:15:41,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 05:15:41,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880872524]
[2020-09-25 05:15:41,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 05:15:41,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:15:41,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 05:15:41,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 05:15:41,895 INFO L87 Difference]: Start difference. First operand 237 states and 254 transitions. Second operand 4 states.
[2020-09-25 05:15:42,500 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:15:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:15:44,112 INFO L93 Difference]: Finished difference Result 535 states and 607 transitions.
[2020-09-25 05:15:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 05:15:44,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163
[2020-09-25 05:15:44,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:15:44,116 INFO L225 Difference]: With dead ends: 535
[2020-09-25 05:15:44,117 INFO L226 Difference]: Without dead ends: 408
[2020-09-25 05:15:44,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 05:15:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states.
[2020-09-25 05:15:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 352.
[2020-09-25 05:15:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states.
[2020-09-25 05:15:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 385 transitions.
[2020-09-25 05:15:44,176 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 385 transitions. Word has length 163
[2020-09-25 05:15:44,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:15:44,177 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 385 transitions.
[2020-09-25 05:15:44,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 05:15:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 385 transitions.
[2020-09-25 05:15:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2020-09-25 05:15:44,180 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:15:44,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:15:44,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:15:44,181 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:15:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:15:44,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1484282150, now seen corresponding path program 1 times
[2020-09-25 05:15:44,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:15:44,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980378957]
[2020-09-25 05:15:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:15:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:44,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:45,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:46,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206
[2020-09-25 05:15:49,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 05:15:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007
[2020-09-25 05:15:49,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:15:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-25 05:15:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:15:49,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,527 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:15:49,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:15:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:15:49,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95
[2020-09-25 05:15:49,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:15:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:15:49,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 05:15:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:15:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 05:15:49,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:15:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:49,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:15:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:15:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:49,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:49,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 05:15:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 05:15:49,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19
[2020-09-25 05:15:49,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 05:15:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 05:15:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 05:15:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 05:15:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:49,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:15:49,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-09-25 05:15:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:49,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:49,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-09-25 05:15:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:49,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159
[2020-09-25 05:15:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:49,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:49,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:49,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:49,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:49,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:15:49,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980378957]
[2020-09-25 05:15:49,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:15:49,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 05:15:49,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438329527]
[2020-09-25 05:15:49,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 05:15:49,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:15:49,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 05:15:49,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:15:49,995 INFO L87 Difference]: Start difference. First operand 352 states and 385 transitions. Second operand 7 states.
[2020-09-25 05:15:50,677 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 05:15:52,313 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:15:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:15:52,891 INFO L93 Difference]: Finished difference Result 926 states and 1073 transitions.
[2020-09-25 05:15:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 05:15:52,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171
[2020-09-25 05:15:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:15:52,899 INFO L225 Difference]: With dead ends: 926
[2020-09-25 05:15:52,899 INFO L226 Difference]: Without dead ends: 684
[2020-09-25 05:15:52,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2020-09-25 05:15:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states.
[2020-09-25 05:15:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 591.
[2020-09-25 05:15:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states.
[2020-09-25 05:15:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 650 transitions.
[2020-09-25 05:15:53,006 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 650 transitions. Word has length 171
[2020-09-25 05:15:53,006 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:15:53,006 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 650 transitions.
[2020-09-25 05:15:53,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 05:15:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 650 transitions.
[2020-09-25 05:15:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-09-25 05:15:53,009 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:15:53,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:15:53,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:15:53,010 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:15:53,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:15:53,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1122738503, now seen corresponding path program 1 times
[2020-09-25 05:15:53,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:15:53,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059238686]
[2020-09-25 05:15:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:15:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:54,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:54,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-25 05:15:54,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:54,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1703
[2020-09-25 05:15:54,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:54,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 05:15:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 05:15:54,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109
[2020-09-25 05:15:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 05:15:55,186 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 05:15:55,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:15:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 05:15:55,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264
[2020-09-25 05:15:55,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 05:15:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 05:15:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:55,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:15:55,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 05:15:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:15:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:55,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 05:15:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:55,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 05:15:55,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:15:55,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 05:15:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:15:55,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 05:15:55,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 05:15:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-09-25 05:15:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:15:55,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 05:15:55,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:15:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-09-25 05:15:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:55,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 05:15:55,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:15:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:15:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-09-25 05:15:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:55,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 05:15:55,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:15:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:15:55,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 05:15:55,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-09-25 05:15:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:15:55,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:15:55,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:15:55,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:15:55,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:15:55,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:15:55,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:15:55,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:15:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:15:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 05:15:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:15:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:15:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:15:55,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059238686]
[2020-09-25 05:15:55,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:15:55,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 05:15:55,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336161540]
[2020-09-25 05:15:55,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 05:15:55,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:15:55,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 05:15:55,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:15:55,784 INFO L87 Difference]: Start difference. First operand 591 states and 650 transitions. Second operand 9 states.
[2020-09-25 05:15:56,409 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:15:57,906 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:15:58,232 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:15:58,599 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:15:58,963 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 05:15:59,287 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 05:15:59,638 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:15:59,948 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 05:16:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:16:00,985 INFO L93 Difference]: Finished difference Result 1496 states and 1738 transitions.
[2020-09-25 05:16:00,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-09-25 05:16:00,988 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172
[2020-09-25 05:16:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:16:00,998 INFO L225 Difference]: With dead ends: 1496
[2020-09-25 05:16:00,998 INFO L226 Difference]: Without dead ends: 1015
[2020-09-25 05:16:01,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-09-25 05:16:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states.
[2020-09-25 05:16:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 935.
[2020-09-25 05:16:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states.
[2020-09-25 05:16:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1044 transitions.
[2020-09-25 05:16:01,124 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1044 transitions. Word has length 172
[2020-09-25 05:16:01,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:16:01,124 INFO L479 AbstractCegarLoop]: Abstraction has 935 states and 1044 transitions.
[2020-09-25 05:16:01,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 05:16:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1044 transitions.
[2020-09-25 05:16:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 05:16:01,128 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:16:01,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:16:01,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 05:16:01,129 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:16:01,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:16:01,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1199080031, now seen corresponding path program 1 times
[2020-09-25 05:16:01,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:16:01,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102694492]
[2020-09-25 05:16:01,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:16:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 05:16:01,195 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 05:16:01,196 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 05:16:01,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 05:16:01,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:16:01 BoogieIcfgContainer
[2020-09-25 05:16:01,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:16:01,244 INFO L168 Benchmark]: Toolchain (without parser) took 41511.82 ms. Allocated memory was 147.8 MB in the beginning and 647.0 MB in the end (delta: 499.1 MB). Free memory was 101.8 MB in the beginning and 321.9 MB in the end (delta: -220.1 MB). Peak memory consumption was 279.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,245 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.65 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 175.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,246 INFO L168 Benchmark]: Boogie Preprocessor took 103.95 ms. Allocated memory is still 205.5 MB. Free memory was 175.5 MB in the beginning and 170.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,247 INFO L168 Benchmark]: RCFGBuilder took 1284.16 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 170.8 MB in the beginning and 178.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,248 INFO L168 Benchmark]: TraceAbstraction took 39413.32 ms. Allocated memory was 237.5 MB in the beginning and 647.0 MB in the end (delta: 409.5 MB). Free memory was 178.6 MB in the beginning and 321.9 MB in the end (delta: -143.2 MB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB.
[2020-09-25 05:16:01,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 700.65 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 175.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 103.95 ms. Allocated memory is still 205.5 MB. Free memory was 175.5 MB in the beginning and 170.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1284.16 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 170.8 MB in the beginning and 178.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 39413.32 ms. Allocated memory was 237.5 MB in the beginning and 647.0 MB in the end (delta: 409.5 MB). Free memory was 178.6 MB in the beginning and 321.9 MB in the end (delta: -143.2 MB). Peak memory consumption was 266.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 556]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L120] int pumpRunning = 0;
[L121] int systemActive = 1;
[L324] int cleanupTimeShifts = 4;
[L423] int waterLevel = 1;
[L424] int methaneLevelCritical = 0;
[L730] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L400] int retValue_acc ;
[L401] int tmp ;
[L405] FCALL select_helpers()
[L406] FCALL select_features()
[L407] CALL, EXPR valid_product()
[L543] int retValue_acc ;
[L546] retValue_acc = 1
[L547] return (retValue_acc);
[L407] RET, EXPR valid_product()
[L407] tmp = valid_product()
[L409] COND TRUE \read(tmp)
[L411] FCALL setup()
[L412] CALL runTest()
[L391] CALL test()
[L46] int splverifierCounter ;
[L47] int tmp ;
[L48] int tmp___0 ;
[L49] int tmp___1 ;
[L50] int tmp___2 ;
[L53] splverifierCounter = 0
[L55] COND TRUE 1
[L57] COND TRUE splverifierCounter < 4
[L63] tmp = __VERIFIER_nondet_int()
[L65] COND TRUE \read(tmp)
[L67] CALL waterRise()
[L441] COND TRUE waterLevel < 2
[L442] waterLevel = waterLevel + 1
[L67] RET waterRise()
[L73] tmp___0 = __VERIFIER_nondet_int()
[L75] COND FALSE !(\read(tmp___0))
[L83] tmp___2 = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp___2))
[L89] tmp___1 = __VERIFIER_nondet_int()
[L91] COND TRUE \read(tmp___1)
[L93] CALL stopSystem()
[L276] COND FALSE !(\read(pumpRunning))
[L283] systemActive = 0
[L93] RET stopSystem()
[L100] CALL timeShift()
[L128] COND FALSE !(\read(pumpRunning))
[L135] COND FALSE !(\read(systemActive))
[L143] CALL __utac_acc__Specification3_spec__1()
[L291] int tmp ;
[L292] int tmp___0 ;
[L293] int tmp___1 ;
[L297] CALL, EXPR isMethaneLevelCritical()
[L462] int retValue_acc ;
[L465] retValue_acc = methaneLevelCritical
[L466] return (retValue_acc);
[L297] RET, EXPR isMethaneLevelCritical()
[L297] tmp = isMethaneLevelCritical()
[L299] COND FALSE !(\read(tmp))
[L303] CALL, EXPR getWaterLevel()
[L494] int retValue_acc ;
[L497] retValue_acc = waterLevel
[L498] return (retValue_acc);
[L303] RET, EXPR getWaterLevel()
[L303] tmp___0 = getWaterLevel()
[L305] COND TRUE tmp___0 == 2
[L307] CALL, EXPR isPumpRunning()
[L209] int retValue_acc ;
[L212] retValue_acc = pumpRunning
[L213] return (retValue_acc);
[L307] RET, EXPR isPumpRunning()
[L307] tmp___1 = isPumpRunning()
[L309] COND FALSE !(\read(tmp___1))
[L313] CALL __automaton_fail()
[L556] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 38 procedures, 618 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1178 SDtfs, 1491 SDslu, 1074 SDs, 0 SdLazy, 2456 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=935occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 304 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 990 NumberOfCodeBlocks, 990 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 808 ConstructedInterpolants, 0 QuantifiedInterpolants, 324392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...