/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=DEEPEST --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 00:43:10,076 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:43:10,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:43:10,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:43:10,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:43:10,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:43:10,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:43:10,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:43:10,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:43:10,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:43:10,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:43:10,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:43:10,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:43:10,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:43:10,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:43:10,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:43:10,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:43:10,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:43:10,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:43:10,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:43:10,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:43:10,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:43:10,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:43:10,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:43:10,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:43:10,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:43:10,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:43:10,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:43:10,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:43:10,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:43:10,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:43:10,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:43:10,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:43:10,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:43:10,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:43:10,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:43:10,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:43:10,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:43:10,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:43:10,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:43:10,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:43:10,153 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 00:43:10,182 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 00:43:10,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:43:10,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:43:10,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 00:43:10,184 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 00:43:10,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:43:10,184 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 00:43:10,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 00:43:10,185 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 00:43:10,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 00:43:10,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:43:10,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:43:10,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:43:10,186 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 00:43:10,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 00:43:10,186 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 00:43:10,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:43:10,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:43:10,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 00:43:10,187 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 00:43:10,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 00:43:10,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:43:10,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:43:10,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:43:10,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:43:10,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 00:43:10,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:43:10,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:43:10,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 00:43:10,189 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true;
[2020-09-25 00:43:10,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:43:10,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:43:10,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:43:10,712 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 00:43:10,713 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 00:43:10,716 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product35.cil.c
[2020-09-25 00:43:10,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd132fc95/1de2fc10fa2f42f1989292fb55373062/FLAG38784e02d
[2020-09-25 00:43:11,520 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 00:43:11,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product35.cil.c
[2020-09-25 00:43:11,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd132fc95/1de2fc10fa2f42f1989292fb55373062/FLAG38784e02d
[2020-09-25 00:43:11,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd132fc95/1de2fc10fa2f42f1989292fb55373062
[2020-09-25 00:43:11,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:43:11,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:43:11,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:43:11,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:43:11,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:43:11,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:43:11" (1/1) ...
[2020-09-25 00:43:11,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:11, skipping insertion in model container
[2020-09-25 00:43:11,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:43:11" (1/1) ...
[2020-09-25 00:43:11,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 00:43:11,839 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:43:12,323 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:43:12,344 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 00:43:12,424 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:43:12,461 INFO L208 MainTranslator]: Completed translation
[2020-09-25 00:43:12,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12 WrapperNode
[2020-09-25 00:43:12,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:43:12,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:43:12,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:43:12,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:43:12,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (1/1) ...
[2020-09-25 00:43:12,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:43:12,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:43:12,593 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:43:12,594 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:43:12,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (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 00:43:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:43:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:43:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 00:43:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 00:43:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 00:43:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 00:43:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 00:43:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 00:43:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 00:43:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 00:43:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 00:43:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 00:43:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 00:43:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 00:43:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 00:43:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 00:43:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 00:43:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 00:43:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 00:43:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:43:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 00:43:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 00:43:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 00:43:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 00:43:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 00:43:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 00:43:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 00:43:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 00:43:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 00:43:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 00:43:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 00:43:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 00:43:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 00:43:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:43:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 00:43:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 00:43:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 00:43:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 00:43:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 00:43:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 00:43:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 00:43:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 00:43:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 00:43:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 00:43:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 00:43:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 00:43:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 00:43:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 00:43:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 00:43:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 00:43:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 00:43:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 00:43:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 00:43:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 00:43:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:43:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 00:43:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 00:43:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 00:43:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 00:43:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 00:43:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 00:43:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 00:43:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:43:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 00:43:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:43:13,912 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:43:13,912 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 00:43:13,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:43:13 BoogieIcfgContainer
[2020-09-25 00:43:13,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:43:13,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:43:13,930 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:43:13,936 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:43:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:43:11" (1/3) ...
[2020-09-25 00:43:13,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219c14a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:43:13, skipping insertion in model container
[2020-09-25 00:43:13,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:43:12" (2/3) ...
[2020-09-25 00:43:13,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219c14a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:43:13, skipping insertion in model container
[2020-09-25 00:43:13,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:43:13" (3/3) ...
[2020-09-25 00:43:13,949 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product35.cil.c
[2020-09-25 00:43:13,969 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:43:13,985 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:43:14,024 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:43:14,083 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:43:14,083 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 00:43:14,083 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:43:14,083 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:43:14,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:43:14,083 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 00:43:14,084 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:43:14,084 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:43:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states.
[2020-09-25 00:43:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 00:43:14,133 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:14,135 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 00:43:14,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:14,143 INFO L82 PathProgramCache]: Analyzing trace with hash 2007669194, now seen corresponding path program 1 times
[2020-09-25 00:43:14,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:14,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643015865]
[2020-09-25 00:43:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:16,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:19,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 00:43:19,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:43:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026
[2020-09-25 00:43:19,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 00:43:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:19,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 00:43:20,038 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:43:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:43:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:43:20,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113
[2020-09-25 00:43:20,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:20,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:43:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:20,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:20,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:43:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:20,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:20,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:43:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 00:43:20,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:43:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:20,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:20,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 00:43:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 00:43:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:20,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:20,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 00:43:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:20,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:20,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:20,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:20,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:20,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:20,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:20,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:20,305 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 00:43:20,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643015865]
[2020-09-25 00:43:20,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:43:20,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 00:43:20,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668170964]
[2020-09-25 00:43:20,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 00:43:20,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:43:20,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 00:43:20,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:43:20,340 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 3 states.
[2020-09-25 00:43:21,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:43:21,738 INFO L93 Difference]: Finished difference Result 461 states and 548 transitions.
[2020-09-25 00:43:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 00:43:21,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 00:43:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:43:21,776 INFO L225 Difference]: With dead ends: 461
[2020-09-25 00:43:21,776 INFO L226 Difference]: Without dead ends: 288
[2020-09-25 00:43:21,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 00:43:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states.
[2020-09-25 00:43:21,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 247.
[2020-09-25 00:43:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states.
[2020-09-25 00:43:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 267 transitions.
[2020-09-25 00:43:21,966 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 267 transitions. Word has length 153
[2020-09-25 00:43:21,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:43:21,969 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 267 transitions.
[2020-09-25 00:43:21,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 00:43:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 267 transitions.
[2020-09-25 00:43:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 00:43:21,982 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:21,983 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 00:43:21,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:43:21,983 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:21,984 INFO L82 PathProgramCache]: Analyzing trace with hash -986006503, now seen corresponding path program 1 times
[2020-09-25 00:43:21,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:21,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515242829]
[2020-09-25 00:43:21,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:22,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:22,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:23,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 00:43:27,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:43:27,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007
[2020-09-25 00:43:27,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 00:43:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 00:43:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,388 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:43:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:43:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:43:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97
[2020-09-25 00:43:27,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:43:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:43:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:27,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 00:43:27,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:43:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:27,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:27,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:43:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:27,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:27,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 00:43:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:27,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:27,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 00:43:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:27,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:27,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 00:43:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:27,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:27,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:27,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:27,612 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 00:43:27,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515242829]
[2020-09-25 00:43:27,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:43:27,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 00:43:27,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747827155]
[2020-09-25 00:43:27,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 00:43:27,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:43:27,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 00:43:27,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 00:43:27,617 INFO L87 Difference]: Start difference. First operand 247 states and 267 transitions. Second operand 4 states.
[2020-09-25 00:43:28,377 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 00:43:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:43:29,194 INFO L93 Difference]: Finished difference Result 369 states and 413 transitions.
[2020-09-25 00:43:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 00:43:29,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 00:43:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:43:29,199 INFO L225 Difference]: With dead ends: 369
[2020-09-25 00:43:29,199 INFO L226 Difference]: Without dead ends: 271
[2020-09-25 00:43:29,201 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 00:43:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2020-09-25 00:43:29,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 237.
[2020-09-25 00:43:29,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states.
[2020-09-25 00:43:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 254 transitions.
[2020-09-25 00:43:29,243 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 254 transitions. Word has length 154
[2020-09-25 00:43:29,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:43:29,244 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 254 transitions.
[2020-09-25 00:43:29,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 00:43:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 254 transitions.
[2020-09-25 00:43:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-09-25 00:43:29,247 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:29,247 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 00:43:29,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:43:29,247 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:29,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:29,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1560512259, now seen corresponding path program 1 times
[2020-09-25 00:43:29,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:29,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372031546]
[2020-09-25 00:43:29,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:30,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:32,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 00:43:32,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 00:43:32,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3617
[2020-09-25 00:43:32,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 00:43:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80
[2020-09-25 00:43:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98
[2020-09-25 00:43:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:33,460 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:43:33,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:43:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:43:33,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312
[2020-09-25 00:43:33,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76
[2020-09-25 00:43:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:43:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:33,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:33,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:33,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:33,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:43:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:33,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:33,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:33,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:33,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:43:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:33,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:43:33,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:33,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 00:43:33,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:43:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:33,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:33,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:33,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:33,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 00:43:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 00:43:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:33,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:33,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:33,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:33,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:33,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 00:43:33,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:33,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:43:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:33,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:34,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 00:43:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:34,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:34,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:34,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 00:43:34,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:34,048 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 00:43:34,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372031546]
[2020-09-25 00:43:34,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:43:34,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 00:43:34,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078900770]
[2020-09-25 00:43:34,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 00:43:34,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:43:34,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 00:43:34,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 00:43:34,053 INFO L87 Difference]: Start difference. First operand 237 states and 254 transitions. Second operand 8 states.
[2020-09-25 00:43:34,566 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:43:36,269 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:43:36,620 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 00:43:37,001 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:43:37,368 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:43:37,678 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 00:43:37,975 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:43:38,297 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:43:39,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:43:39,115 INFO L93 Difference]: Finished difference Result 515 states and 605 transitions.
[2020-09-25 00:43:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 00:43:39,115 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163
[2020-09-25 00:43:39,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:43:39,119 INFO L225 Difference]: With dead ends: 515
[2020-09-25 00:43:39,120 INFO L226 Difference]: Without dead ends: 388
[2020-09-25 00:43:39,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:43:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states.
[2020-09-25 00:43:39,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 348.
[2020-09-25 00:43:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states.
[2020-09-25 00:43:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 385 transitions.
[2020-09-25 00:43:39,184 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 385 transitions. Word has length 163
[2020-09-25 00:43:39,185 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:43:39,185 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 385 transitions.
[2020-09-25 00:43:39,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 00:43:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 385 transitions.
[2020-09-25 00:43:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2020-09-25 00:43:39,188 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:39,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:43:39,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 00:43:39,189 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:39,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:39,189 INFO L82 PathProgramCache]: Analyzing trace with hash 239108759, now seen corresponding path program 1 times
[2020-09-25 00:43:39,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:39,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431605075]
[2020-09-25 00:43:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:40,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:40,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201
[2020-09-25 00:43:40,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1169
[2020-09-25 00:43:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 00:43:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 00:43:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 00:43:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:40,725 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:43:40,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:43:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:43:41,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275
[2020-09-25 00:43:41,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 00:43:41,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:43:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:41,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:43:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:41,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:43:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:43:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:43:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:41,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:41,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 00:43:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 00:43:41,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:43:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 00:43:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 00:43:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:41,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-09-25 00:43:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:41,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:41,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:41,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:41,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 00:43:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:41,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:41,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:41,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:41,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:41,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:41,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:41,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 00:43:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:41,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:41,211 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 00:43:41,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431605075]
[2020-09-25 00:43:41,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:43:41,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 00:43:41,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972480153]
[2020-09-25 00:43:41,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 00:43:41,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:43:41,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 00:43:41,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 00:43:41,214 INFO L87 Difference]: Start difference. First operand 348 states and 385 transitions. Second operand 5 states.
[2020-09-25 00:43:41,709 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:43:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:43:43,605 INFO L93 Difference]: Finished difference Result 930 states and 1108 transitions.
[2020-09-25 00:43:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 00:43:43,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168
[2020-09-25 00:43:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:43:43,614 INFO L225 Difference]: With dead ends: 930
[2020-09-25 00:43:43,614 INFO L226 Difference]: Without dead ends: 692
[2020-09-25 00:43:43,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:43:43,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states.
[2020-09-25 00:43:43,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 565.
[2020-09-25 00:43:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states.
[2020-09-25 00:43:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 636 transitions.
[2020-09-25 00:43:43,706 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 636 transitions. Word has length 168
[2020-09-25 00:43:43,707 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:43:43,707 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 636 transitions.
[2020-09-25 00:43:43,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 00:43:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 636 transitions.
[2020-09-25 00:43:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 00:43:43,711 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:43,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:43:43,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 00:43:43,712 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:43,713 INFO L82 PathProgramCache]: Analyzing trace with hash 668825204, now seen corresponding path program 1 times
[2020-09-25 00:43:43,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:43,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482440676]
[2020-09-25 00:43:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:45,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:48,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213
[2020-09-25 00:43:48,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 00:43:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007
[2020-09-25 00:43:48,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 00:43:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159
[2020-09-25 00:43:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50
[2020-09-25 00:43:48,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:49,247 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 00:43:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:43:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 00:43:49,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107
[2020-09-25 00:43:49,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 00:43:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:49,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:49,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 00:43:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:49,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 00:43:49,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 00:43:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:49,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 00:43:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 00:43:49,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 00:43:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 00:43:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:43:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:43:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 00:43:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 00:43:49,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 00:43:49,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 00:43:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:49,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 00:43:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 00:43:49,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 00:43:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-09-25 00:43:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:49,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 00:43:49,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:43:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-09-25 00:43:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:49,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 00:43:49,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 00:43:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:49,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2020-09-25 00:43:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:43:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:43:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:43:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:43:49,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:43:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 00:43:49,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:43:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 00:43:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:43:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:43:49,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 00:43:49,632 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 00:43:49,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482440676]
[2020-09-25 00:43:49,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:43:49,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 00:43:49,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136259550]
[2020-09-25 00:43:49,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 00:43:49,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:43:49,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 00:43:49,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 00:43:49,635 INFO L87 Difference]: Start difference. First operand 565 states and 636 transitions. Second operand 10 states.
[2020-09-25 00:43:50,650 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 00:43:52,664 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-09-25 00:43:52,989 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 00:43:53,330 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 00:43:53,701 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 00:43:54,100 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 00:43:54,489 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 200
[2020-09-25 00:43:54,841 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195
[2020-09-25 00:43:55,212 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 00:43:56,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:43:56,058 INFO L93 Difference]: Finished difference Result 1685 states and 2100 transitions.
[2020-09-25 00:43:56,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-09-25 00:43:56,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176
[2020-09-25 00:43:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:43:56,067 INFO L225 Difference]: With dead ends: 1685
[2020-09-25 00:43:56,068 INFO L226 Difference]: Without dead ends: 1230
[2020-09-25 00:43:56,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-09-25 00:43:56,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states.
[2020-09-25 00:43:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 891.
[2020-09-25 00:43:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states.
[2020-09-25 00:43:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1019 transitions.
[2020-09-25 00:43:56,224 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1019 transitions. Word has length 176
[2020-09-25 00:43:56,224 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:43:56,224 INFO L479 AbstractCegarLoop]: Abstraction has 891 states and 1019 transitions.
[2020-09-25 00:43:56,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 00:43:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1019 transitions.
[2020-09-25 00:43:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 00:43:56,230 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:43:56,230 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 00:43:56,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 00:43:56,231 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:43:56,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:43:56,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1199080031, now seen corresponding path program 1 times
[2020-09-25 00:43:56,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:43:56,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459620213]
[2020-09-25 00:43:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:43:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 00:43:56,299 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 00:43:56,299 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 00:43:56,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 00:43:56,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:43:56 BoogieIcfgContainer
[2020-09-25 00:43:56,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:43:56,339 INFO L168 Benchmark]: Toolchain (without parser) took 44609.90 ms. Allocated memory was 139.5 MB in the beginning and 728.8 MB in the end (delta: 589.3 MB). Free memory was 101.6 MB in the beginning and 425.4 MB in the end (delta: -323.9 MB). Peak memory consumption was 265.4 MB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,340 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.32 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 172.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,342 INFO L168 Benchmark]: Boogie Preprocessor took 125.61 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,342 INFO L168 Benchmark]: RCFGBuilder took 1331.69 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 180.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,343 INFO L168 Benchmark]: TraceAbstraction took 42406.67 ms. Allocated memory was 235.9 MB in the beginning and 728.8 MB in the end (delta: 492.8 MB). Free memory was 178.7 MB in the beginning and 425.4 MB in the end (delta: -246.7 MB). Peak memory consumption was 246.1 MB. Max. memory is 7.1 GB.
[2020-09-25 00:43:56,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.99 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 727.32 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 172.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 125.61 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1331.69 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 180.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 42406.67 ms. Allocated memory was 235.9 MB in the beginning and 728.8 MB in the end (delta: 492.8 MB). Free memory was 178.7 MB in the beginning and 425.4 MB in the end (delta: -246.7 MB). Peak memory consumption was 246.1 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: 42.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1170 SDtfs, 1554 SDslu, 1408 SDs, 0 SdLazy, 3536 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=891occurred 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: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 581 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 991 NumberOfCodeBlocks, 991 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 809 ConstructedInterpolants, 0 QuantifiedInterpolants, 345644 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...