/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:33:37,464 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:33:37,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:33:37,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:33:37,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:33:37,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:33:37,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:33:37,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:33:37,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:33:37,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:33:37,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:33:37,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:33:37,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:33:37,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:33:37,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:33:37,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:33:37,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:33:37,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:33:37,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:33:37,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:33:37,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:33:37,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:33:37,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:33:37,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:33:37,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:33:37,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:33:37,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:33:37,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:33:37,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:33:37,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:33:37,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 07:33:37,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 07:33:37,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:33:37,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:33:37,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:33:37,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:33:37,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 07:33:37,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 07:33:37,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:33:37,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:33:37,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:33:37,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 07:33:37,632 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 07:33:37,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:33:37,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:33:37,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 07:33:37,634 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 07:33:37,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:33:37,634 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 07:33:37,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 07:33:37,635 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 07:33:37,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 07:33:37,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:33:37,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:33:37,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:33:37,636 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 07:33:37,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 07:33:37,636 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 07:33:37,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:33:37,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:33:37,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 07:33:37,637 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 07:33:37,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 07:33:37,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:33:37,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:33:37,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:33:37,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:33:37,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 07:33:37,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:33:37,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:33:37,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 07:33:37,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
[2020-09-25 07:33:38,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:33:38,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:33:38,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:33:38,123 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 07:33:38,124 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 07:33:38,127 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c
[2020-09-25 07:33:38,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e95363a0a/e28dbc68bc0c45f994d46424e61abf56/FLAGaa6823e53
[2020-09-25 07:33:38,940 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 07:33:38,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c
[2020-09-25 07:33:38,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e95363a0a/e28dbc68bc0c45f994d46424e61abf56/FLAGaa6823e53
[2020-09-25 07:33:39,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e95363a0a/e28dbc68bc0c45f994d46424e61abf56
[2020-09-25 07:33:39,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:33:39,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:33:39,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:33:39,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:33:39,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:33:39,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39, skipping insertion in model container
[2020-09-25 07:33:39,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 07:33:39,215 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:33:39,644 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:33:39,769 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 07:33:39,855 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:33:39,896 INFO L208 MainTranslator]: Completed translation
[2020-09-25 07:33:39,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39 WrapperNode
[2020-09-25 07:33:39,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:33:39,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:33:39,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:33:39,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:33:39,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
[2020-09-25 07:33:39,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:33:39,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:33:39,994 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:33:39,995 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:33:39,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:33:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:33:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:33:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:33:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 07:33:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 07:33:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:33:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 07:33:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 07:33:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 07:33:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 07:33:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 07:33:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 07:33:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 07:33:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 07:33:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 07:33:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 07:33:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-09-25 07:33:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 07:33:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 07:33:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 07:33:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 07:33:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:33:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 07:33:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 07:33:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 07:33:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 07:33:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 07:33:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 07:33:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 07:33:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 07:33:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 07:33:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 07:33:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 07:33:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 07:33:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 07:33:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-09-25 07:33:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 07:33:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 07:33:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 07:33:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 07:33:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 07:33:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 07:33:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 07:33:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 07:33:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 07:33:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 07:33:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 07:33:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 07:33:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 07:33:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 07:33:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 07:33:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 07:33:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 07:33:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 07:33:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-09-25 07:33:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 07:33:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 07:33:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 07:33:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 07:33:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 07:33:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 07:33:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 07:33:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 07:33:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 07:33:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 07:33:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:33:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 07:33:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 07:33:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 07:33:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 07:33:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-25 07:33:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 07:33:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 07:33:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 07:33:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 07:33:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 07:33:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-09-25 07:33:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-09-25 07:33:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-09-25 07:33:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 07:33:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:33:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 07:33:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:33:41,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:33:41,434 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 07:33:41,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:33:41 BoogieIcfgContainer
[2020-09-25 07:33:41,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:33:41,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:33:41,444 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:33:41,448 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:33:41,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:33:39" (1/3) ...
[2020-09-25 07:33:41,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182188d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:33:41, skipping insertion in model container
[2020-09-25 07:33:41,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:33:39" (2/3) ...
[2020-09-25 07:33:41,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182188d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:33:41, skipping insertion in model container
[2020-09-25 07:33:41,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:33:41" (3/3) ...
[2020-09-25 07:33:41,452 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c
[2020-09-25 07:33:41,465 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:33:41,477 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:33:41,500 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:33:41,536 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:33:41,536 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 07:33:41,536 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:33:41,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:33:41,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:33:41,537 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 07:33:41,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:33:41,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:33:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states.
[2020-09-25 07:33:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 07:33:41,589 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:33:41,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:33:41,592 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:33:41,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:33:41,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1122426674, now seen corresponding path program 1 times
[2020-09-25 07:33:41,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:33:41,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988374771]
[2020-09-25 07:33:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:33:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:42,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:42,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:43,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 07:33:46,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:33:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999
[2020-09-25 07:33:47,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-25 07:33:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15
[2020-09-25 07:33:47,443 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:33:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:33:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:33:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138
[2020-09-25 07:33:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:33:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 07:33:47,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:33:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:47,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:33:47,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:33:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:47,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 07:33:47,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:33:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:47,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:33:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 07:33:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:47,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:33:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 07:33:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:33:47,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 07:33:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:47,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:47,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:47,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:47,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:47,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:33:47,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:47,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:47,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:33:47,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988374771]
[2020-09-25 07:33:47,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:33:47,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:33:47,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119211759]
[2020-09-25 07:33:47,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:33:47,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:33:47,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:33:47,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:33:47,927 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 3 states.
[2020-09-25 07:33:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:33:49,885 INFO L93 Difference]: Finished difference Result 561 states and 663 transitions.
[2020-09-25 07:33:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:33:49,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-25 07:33:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:33:49,910 INFO L225 Difference]: With dead ends: 561
[2020-09-25 07:33:49,910 INFO L226 Difference]: Without dead ends: 340
[2020-09-25 07:33:49,917 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 07:33:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states.
[2020-09-25 07:33:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 295.
[2020-09-25 07:33:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states.
[2020-09-25 07:33:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 322 transitions.
[2020-09-25 07:33:50,061 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 322 transitions. Word has length 153
[2020-09-25 07:33:50,064 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:33:50,064 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 322 transitions.
[2020-09-25 07:33:50,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:33:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 322 transitions.
[2020-09-25 07:33:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-25 07:33:50,076 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:33:50,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:33:50,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:33:50,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:33:50,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:33:50,078 INFO L82 PathProgramCache]: Analyzing trace with hash -987340637, now seen corresponding path program 1 times
[2020-09-25 07:33:50,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:33:50,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92695311]
[2020-09-25 07:33:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:33:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:50,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-25 07:33:55,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 07:33:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038
[2020-09-25 07:33:55,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:33:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-25 07:33:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 07:33:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:55,598 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:33:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:33:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:33:55,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99
[2020-09-25 07:33:55,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:33:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:55,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:33:55,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:33:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:33:55,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:33:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:33:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:55,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:33:55,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:33:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:33:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:33:55,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:33:55,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:33:55,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:33:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-25 07:33:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:55,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:33:55,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:55,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:33:55,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 07:33:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:55,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:33:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:33:55,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-25 07:33:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:55,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:55,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:33:55,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:33:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:33:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:33:55,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:33:55,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:33:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:33:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:33:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:33:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:33:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:33:55,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92695311]
[2020-09-25 07:33:55,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:33:55,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 07:33:55,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990036107]
[2020-09-25 07:33:55,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 07:33:55,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:33:55,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 07:33:55,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 07:33:55,828 INFO L87 Difference]: Start difference. First operand 295 states and 322 transitions. Second operand 4 states.
[2020-09-25 07:33:56,423 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 07:33:57,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:33:57,667 INFO L93 Difference]: Finished difference Result 472 states and 530 transitions.
[2020-09-25 07:33:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 07:33:57,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-25 07:33:57,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:33:57,676 INFO L225 Difference]: With dead ends: 472
[2020-09-25 07:33:57,676 INFO L226 Difference]: Without dead ends: 323
[2020-09-25 07:33:57,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:33:57,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states.
[2020-09-25 07:33:57,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 285.
[2020-09-25 07:33:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states.
[2020-09-25 07:33:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 309 transitions.
[2020-09-25 07:33:57,758 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 309 transitions. Word has length 154
[2020-09-25 07:33:57,759 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:33:57,759 INFO L479 AbstractCegarLoop]: Abstraction has 285 states and 309 transitions.
[2020-09-25 07:33:57,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 07:33:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 309 transitions.
[2020-09-25 07:33:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-09-25 07:33:57,762 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:33:57,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:33:57,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:33:57,763 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:33:57,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:33:57,763 INFO L82 PathProgramCache]: Analyzing trace with hash 201269353, now seen corresponding path program 1 times
[2020-09-25 07:33:57,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:33:57,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96115028]
[2020-09-25 07:33:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:33:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:33:57,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:33:58,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:02,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 07:34:02,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 07:34:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4454
[2020-09-25 07:34:02,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:02,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 07:34:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 07:34:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100
[2020-09-25 07:34:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:02,732 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:34:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:34:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:02,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:34:03,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257
[2020-09-25 07:34:03,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 07:34:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:34:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:03,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:34:03,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:34:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:03,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:34:03,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:03,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:34:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 07:34:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:34:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:34:03,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:34:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:03,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:34:03,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 07:34:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:03,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:34:03,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:34:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 07:34:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:03,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:34:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 07:34:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:34:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-09-25 07:34:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:03,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:34:03,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:03,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:34:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:34:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:34:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:34:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:34:03,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96115028]
[2020-09-25 07:34:03,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:34:03,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 07:34:03,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951267955]
[2020-09-25 07:34:03,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 07:34:03,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:34:03,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 07:34:03,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 07:34:03,242 INFO L87 Difference]: Start difference. First operand 285 states and 309 transitions. Second operand 8 states.
[2020-09-25 07:34:03,718 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:34:05,508 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:34:05,889 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:34:06,269 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:34:06,644 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:34:06,993 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 07:34:07,360 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:34:07,672 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 07:34:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:34:09,132 INFO L93 Difference]: Finished difference Result 667 states and 786 transitions.
[2020-09-25 07:34:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 07:34:09,132 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163
[2020-09-25 07:34:09,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:34:09,137 INFO L225 Difference]: With dead ends: 667
[2020-09-25 07:34:09,138 INFO L226 Difference]: Without dead ends: 492
[2020-09-25 07:34:09,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 07:34:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states.
[2020-09-25 07:34:09,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 444.
[2020-09-25 07:34:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states.
[2020-09-25 07:34:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 497 transitions.
[2020-09-25 07:34:09,206 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 497 transitions. Word has length 163
[2020-09-25 07:34:09,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:34:09,207 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 497 transitions.
[2020-09-25 07:34:09,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 07:34:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 497 transitions.
[2020-09-25 07:34:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2020-09-25 07:34:09,210 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:34:09,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:34:09,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:34:09,211 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:34:09,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:34:09,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1670043451, now seen corresponding path program 1 times
[2020-09-25 07:34:09,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:34:09,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974482442]
[2020-09-25 07:34:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:34:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:09,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:10,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:10,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201
[2020-09-25 07:34:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1090
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-25 07:34:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:34:10,642 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 07:34:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:34:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:10,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:10,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:10,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:34:10,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245
[2020-09-25 07:34:10,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:10,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 07:34:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:10,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 07:34:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:10,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:10,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:10,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:10,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:34:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:10,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:10,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 07:34:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:10,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:10,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:34:10,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:10,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:10,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:10,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 07:34:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:11,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:34:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 07:34:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 07:34:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:34:11,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:34:11,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 07:34:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-09-25 07:34:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 07:34:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 07:34:11,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:34:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:34:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 07:34:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-09-25 07:34:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:11,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:34:11,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:34:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:34:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:34:11,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:11,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146
[2020-09-25 07:34:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:11,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:34:11,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:34:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:34:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:34:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:34:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2020-09-25 07:34:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:34:11,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:34:11,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:34:11,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 07:34:11,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:34:11,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:34:11,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:34:11,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:34:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:34:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 07:34:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:34:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-09-25 07:34:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:34:11,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974482442]
[2020-09-25 07:34:11,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:34:11,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 07:34:11,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525773308]
[2020-09-25 07:34:11,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 07:34:11,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:34:11,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 07:34:11,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 07:34:11,141 INFO L87 Difference]: Start difference. First operand 444 states and 497 transitions. Second operand 5 states.
[2020-09-25 07:34:11,643 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 07:34:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:34:14,362 INFO L93 Difference]: Finished difference Result 1234 states and 1468 transitions.
[2020-09-25 07:34:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 07:34:14,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168
[2020-09-25 07:34:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:34:14,374 INFO L225 Difference]: With dead ends: 1234
[2020-09-25 07:34:14,375 INFO L226 Difference]: Without dead ends: 900
[2020-09-25 07:34:14,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 07:34:14,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states.
[2020-09-25 07:34:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 769.
[2020-09-25 07:34:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states.
[2020-09-25 07:34:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 876 transitions.
[2020-09-25 07:34:14,547 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 876 transitions. Word has length 168
[2020-09-25 07:34:14,547 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:34:14,548 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 876 transitions.
[2020-09-25 07:34:14,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 07:34:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 876 transitions.
[2020-09-25 07:34:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-09-25 07:34:14,555 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:34:14,555 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 07:34:14,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:34:14,556 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:34:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:34:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1697188589, now seen corresponding path program 1 times
[2020-09-25 07:34:14,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:34:14,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147402607]
[2020-09-25 07:34:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:34:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 07:34:14,621 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 07:34:14,621 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 07:34:14,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:34:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:34:14 BoogieIcfgContainer
[2020-09-25 07:34:14,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 07:34:14,669 INFO L168 Benchmark]: Toolchain (without parser) took 35531.16 ms. Allocated memory was 146.8 MB in the beginning and 647.5 MB in the end (delta: 500.7 MB). Free memory was 102.0 MB in the beginning and 258.0 MB in the end (delta: -155.9 MB). Peak memory consumption was 344.8 MB. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,671 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.31 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 173.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,680 INFO L168 Benchmark]: Boogie Preprocessor took 96.37 ms. Allocated memory is still 204.5 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,680 INFO L168 Benchmark]: RCFGBuilder took 1448.20 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 168.8 MB in the beginning and 174.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,681 INFO L168 Benchmark]: TraceAbstraction took 33223.24 ms. Allocated memory was 238.0 MB in the beginning and 647.5 MB in the end (delta: 409.5 MB). Free memory was 174.9 MB in the beginning and 258.0 MB in the end (delta: -83.1 MB). Peak memory consumption was 326.4 MB. Max. memory is 7.1 GB.
[2020-09-25 07:34:14,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 752.31 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 173.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 96.37 ms. Allocated memory is still 204.5 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1448.20 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 168.8 MB in the beginning and 174.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 33223.24 ms. Allocated memory was 238.0 MB in the beginning and 647.5 MB in the end (delta: 409.5 MB). Free memory was 174.9 MB in the beginning and 258.0 MB in the end (delta: -83.1 MB). Peak memory consumption was 326.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 694]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L414] int waterLevel = 1;
[L415] int methaneLevelCritical = 0;
[L517] int cleanupTimeShifts = 4;
[L769] int pumpRunning = 0;
[L770] int systemActive = 1;
[L596] int retValue_acc ;
[L597] int tmp ;
[L601] FCALL select_helpers()
[L602] FCALL select_features()
[L603] CALL, EXPR valid_product()
[L645] int retValue_acc ;
[L648] retValue_acc = 1
[L649] return (retValue_acc);
[L603] RET, EXPR valid_product()
[L603] tmp = valid_product()
[L605] COND TRUE \read(tmp)
[L607] FCALL setup()
[L608] CALL runTest()
[L587] CALL test()
[L701] int splverifierCounter ;
[L702] int tmp ;
[L703] int tmp___0 ;
[L704] int tmp___1 ;
[L705] int tmp___2 ;
[L708] splverifierCounter = 0
[L710] COND TRUE 1
[L712] COND TRUE splverifierCounter < 4
[L718] tmp = __VERIFIER_nondet_int()
[L720] COND TRUE \read(tmp)
[L722] CALL waterRise()
[L432] COND TRUE waterLevel < 2
[L433] waterLevel = waterLevel + 1
[L722] RET waterRise()
[L728] tmp___0 = __VERIFIER_nondet_int()
[L730] COND FALSE !(\read(tmp___0))
[L738] tmp___2 = __VERIFIER_nondet_int()
[L740] COND FALSE !(\read(tmp___2))
[L744] tmp___1 = __VERIFIER_nondet_int()
[L746] COND TRUE \read(tmp___1)
[L748] CALL stopSystem()
[L987] COND FALSE !(\read(pumpRunning))
[L994] systemActive = 0
[L748] RET stopSystem()
[L755] CALL timeShift()
[L776] COND FALSE !(\read(pumpRunning))
[L783] COND FALSE !(\read(systemActive))
[L791] CALL __utac_acc__Specification3_spec__1()
[L657] int tmp ;
[L658] int tmp___0 ;
[L659] int tmp___1 ;
[L663] CALL, EXPR isMethaneLevelCritical()
[L453] int retValue_acc ;
[L456] retValue_acc = methaneLevelCritical
[L457] return (retValue_acc);
[L663] RET, EXPR isMethaneLevelCritical()
[L663] tmp = isMethaneLevelCritical()
[L665] COND FALSE !(\read(tmp))
[L669] CALL, EXPR getWaterLevel()
[L485] int retValue_acc ;
[L488] retValue_acc = waterLevel
[L489] return (retValue_acc);
[L669] RET, EXPR getWaterLevel()
[L669] tmp___0 = getWaterLevel()
[L671] COND TRUE tmp___0 == 2
[L673] CALL, EXPR isPumpRunning()
[L901] int retValue_acc ;
[L904] retValue_acc = pumpRunning
[L905] return (retValue_acc);
[L673] RET, EXPR isPumpRunning()
[L673] tmp___1 = isPumpRunning()
[L675] COND FALSE !(\read(tmp___1))
[L679] CALL __automaton_fail()
[L694] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 42 procedures, 658 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 33.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1133 SDtfs, 1321 SDslu, 842 SDs, 0 SdLazy, 2434 SolverSat, 419 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=769occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 262 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 249756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...