/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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 18:00:08,910 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 18:00:08,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 18:00:08,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 18:00:08,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 18:00:08,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 18:00:08,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 18:00:08,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 18:00:08,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 18:00:08,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 18:00:08,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 18:00:08,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 18:00:08,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 18:00:08,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 18:00:08,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 18:00:08,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 18:00:08,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 18:00:08,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 18:00:08,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 18:00:09,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 18:00:09,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 18:00:09,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 18:00:09,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 18:00:09,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 18:00:09,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 18:00:09,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 18:00:09,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 18:00:09,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 18:00:09,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 18:00:09,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 18:00:09,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 18:00:09,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 18:00:09,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 18:00:09,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 18:00:09,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 18:00:09,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 18:00:09,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 18:00:09,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 18:00:09,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 18:00:09,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 18:00:09,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 18:00:09,047 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
[2020-09-24 18:00:09,073 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 18:00:09,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 18:00:09,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 18:00:09,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 18:00:09,075 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 18:00:09,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 18:00:09,075 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 18:00:09,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 18:00:09,076 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 18:00:09,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 18:00:09,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 18:00:09,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 18:00:09,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 18:00:09,077 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 18:00:09,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 18:00:09,077 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 18:00:09,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 18:00:09,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 18:00:09,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 18:00:09,078 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 18:00:09,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 18:00:09,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 18:00:09,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 18:00:09,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 18:00:09,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 18:00:09,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 18:00:09,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 18:00:09,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 18:00:09,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 18:00:09,080 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true;
[2020-09-24 18:00:09,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 18:00:09,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 18:00:09,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 18:00:09,599 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 18:00:09,599 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 18:00:09,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
[2020-09-24 18:00:09,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/953cf0728/bc5e03bedc1546288d318d5249276099/FLAG7b5c91bc5
[2020-09-24 18:00:10,324 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 18:00:10,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c
[2020-09-24 18:00:10,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/953cf0728/bc5e03bedc1546288d318d5249276099/FLAG7b5c91bc5
[2020-09-24 18:00:10,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/953cf0728/bc5e03bedc1546288d318d5249276099
[2020-09-24 18:00:10,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 18:00:10,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 18:00:10,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 18:00:10,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 18:00:10,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 18:00:10,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:00:10" (1/1) ...
[2020-09-24 18:00:10,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:10, skipping insertion in model container
[2020-09-24 18:00:10,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:00:10" (1/1) ...
[2020-09-24 18:00:10,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 18:00:10,690 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 18:00:11,163 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 18:00:11,180 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 18:00:11,265 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 18:00:11,315 INFO L208 MainTranslator]: Completed translation
[2020-09-24 18:00:11,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11 WrapperNode
[2020-09-24 18:00:11,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 18:00:11,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 18:00:11,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 18:00:11,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 18:00:11,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (1/1) ...
[2020-09-24 18:00:11,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 18:00:11,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 18:00:11,448 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 18:00:11,449 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 18:00:11,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (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
[2020-09-24 18:00:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 18:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 18:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-24 18:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-24 18:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-24 18:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-24 18:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-24 18:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-24 18:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-24 18:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-24 18:00:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-24 18:00:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-24 18:00:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-24 18:00:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-24 18:00:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-24 18:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-24 18:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-24 18:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-24 18:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-24 18:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-24 18:00:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-24 18:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-24 18:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-24 18:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-09-24 18:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-09-24 18:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-24 18:00:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 18:00:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-24 18:00:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-24 18:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 18:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-24 18:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-24 18:00:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-24 18:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-24 18:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-24 18:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 18:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 18:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 18:00:12,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 18:00:12,743 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-24 18:00:12,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:00:12 BoogieIcfgContainer
[2020-09-24 18:00:12,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 18:00:12,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 18:00:12,751 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 18:00:12,755 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 18:00:12,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:00:10" (1/3) ...
[2020-09-24 18:00:12,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652adf64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:00:12, skipping insertion in model container
[2020-09-24 18:00:12,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:00:11" (2/3) ...
[2020-09-24 18:00:12,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652adf64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:00:12, skipping insertion in model container
[2020-09-24 18:00:12,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:00:12" (3/3) ...
[2020-09-24 18:00:12,760 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c
[2020-09-24 18:00:12,772 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 18:00:12,783 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 18:00:12,807 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 18:00:12,840 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 18:00:12,840 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 18:00:12,840 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 18:00:12,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 18:00:12,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 18:00:12,841 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 18:00:12,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 18:00:12,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 18:00:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states.
[2020-09-24 18:00:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-24 18:00:12,888 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 18:00:12,890 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]
[2020-09-24 18:00:12,890 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 18:00:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 18:00:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash 713311147, now seen corresponding path program 1 times
[2020-09-24 18:00:12,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 18:00:12,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131008328]
[2020-09-24 18:00:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 18:00:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:15,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:18,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:18,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-24 18:00:18,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 18:00:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-24 18:00:18,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129
[2020-09-24 18:00:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-24 18:00:18,792 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 18:00:18,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 18:00:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 18:00:19,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176
[2020-09-24 18:00:19,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-09-24 18:00:19,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 18:00:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:19,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 18:00:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 18:00:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 18:00:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 18:00:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 18:00:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-24 18:00:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-24 18:00:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:19,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-24 18:00:19,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-24 18:00:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:19,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-24 18:00:19,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-24 18:00:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:19,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:19,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:19,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 18:00:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 18:00:19,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131008328]
[2020-09-24 18:00:19,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 18:00:19,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 18:00:19,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888285931]
[2020-09-24 18:00:19,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 18:00:19,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 18:00:19,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 18:00:19,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 18:00:19,258 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 3 states.
[2020-09-24 18:00:20,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 18:00:20,473 INFO L93 Difference]: Finished difference Result 394 states and 471 transitions.
[2020-09-24 18:00:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 18:00:20,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-09-24 18:00:20,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 18:00:20,496 INFO L225 Difference]: With dead ends: 394
[2020-09-24 18:00:20,497 INFO L226 Difference]: Without dead ends: 254
[2020-09-24 18:00:20,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 18:00:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2020-09-24 18:00:20,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 214.
[2020-09-24 18:00:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states.
[2020-09-24 18:00:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions.
[2020-09-24 18:00:20,600 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 153
[2020-09-24 18:00:20,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 18:00:20,601 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions.
[2020-09-24 18:00:20,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 18:00:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions.
[2020-09-24 18:00:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-09-24 18:00:20,606 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 18:00:20,606 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]
[2020-09-24 18:00:20,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 18:00:20,607 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 18:00:20,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 18:00:20,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1000146475, now seen corresponding path program 1 times
[2020-09-24 18:00:20,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 18:00:20,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162668456]
[2020-09-24 18:00:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 18:00:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:25,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:25,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187
[2020-09-24 18:00:25,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 18:00:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035
[2020-09-24 18:00:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128
[2020-09-24 18:00:25,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 18:00:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,042 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 18:00:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 18:00:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 18:00:26,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108
[2020-09-24 18:00:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 18:00:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:26,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:26,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 18:00:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 18:00:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:26,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:26,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:26,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 18:00:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:26,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-09-24 18:00:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-24 18:00:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:26,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:26,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-09-24 18:00:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:26,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:26,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:26,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:26,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:26,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 18:00:26,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162668456]
[2020-09-24 18:00:26,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 18:00:26,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-24 18:00:26,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258915612]
[2020-09-24 18:00:26,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-24 18:00:26,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 18:00:26,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-24 18:00:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-24 18:00:26,283 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states.
[2020-09-24 18:00:26,884 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-24 18:00:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 18:00:27,553 INFO L93 Difference]: Finished difference Result 298 states and 332 transitions.
[2020-09-24 18:00:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 18:00:27,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-09-24 18:00:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 18:00:27,557 INFO L225 Difference]: With dead ends: 298
[2020-09-24 18:00:27,557 INFO L226 Difference]: Without dead ends: 237
[2020-09-24 18:00:27,559 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
[2020-09-24 18:00:27,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states.
[2020-09-24 18:00:27,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 204.
[2020-09-24 18:00:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states.
[2020-09-24 18:00:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions.
[2020-09-24 18:00:27,596 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 154
[2020-09-24 18:00:27,597 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 18:00:27,597 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions.
[2020-09-24 18:00:27,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-24 18:00:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions.
[2020-09-24 18:00:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-24 18:00:27,600 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 18:00:27,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 18:00:27,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 18:00:27,601 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 18:00:27,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 18:00:27,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1955216043, now seen corresponding path program 1 times
[2020-09-24 18:00:27,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 18:00:27,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50024965]
[2020-09-24 18:00:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 18:00:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:27,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:27,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2736
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146
[2020-09-24 18:00:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-24 18:00:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:30,685 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 18:00:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 18:00:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 18:00:30,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127
[2020-09-24 18:00:30,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 18:00:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:30,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:30,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 18:00:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 18:00:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:30,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 18:00:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:30,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:30,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-24 18:00:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 18:00:30,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 18:00:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 18:00:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-24 18:00:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:30,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:30,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-24 18:00:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:30,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 18:00:30,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-09-24 18:00:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:30,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:30,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:30,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:30,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 18:00:30,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:30,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 18:00:31,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50024965]
[2020-09-24 18:00:31,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 18:00:31,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 18:00:31,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854147037]
[2020-09-24 18:00:31,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 18:00:31,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 18:00:31,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 18:00:31,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 18:00:31,015 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 5 states.
[2020-09-24 18:00:31,625 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 18:00:32,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 18:00:32,914 INFO L93 Difference]: Finished difference Result 454 states and 523 transitions.
[2020-09-24 18:00:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-24 18:00:32,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167
[2020-09-24 18:00:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 18:00:32,921 INFO L225 Difference]: With dead ends: 454
[2020-09-24 18:00:32,921 INFO L226 Difference]: Without dead ends: 360
[2020-09-24 18:00:32,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 18:00:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2020-09-24 18:00:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 282.
[2020-09-24 18:00:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states.
[2020-09-24 18:00:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 305 transitions.
[2020-09-24 18:00:32,975 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 305 transitions. Word has length 167
[2020-09-24 18:00:32,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 18:00:32,975 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 305 transitions.
[2020-09-24 18:00:32,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 18:00:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 305 transitions.
[2020-09-24 18:00:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-09-24 18:00:32,978 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 18:00:32,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 18:00:32,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 18:00:32,979 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 18:00:32,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 18:00:32,980 INFO L82 PathProgramCache]: Analyzing trace with hash 546702602, now seen corresponding path program 1 times
[2020-09-24 18:00:32,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 18:00:32,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954460168]
[2020-09-24 18:00:32,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 18:00:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:33,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:34,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205
[2020-09-24 18:00:34,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761
[2020-09-24 18:00:34,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-24 18:00:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-24 18:00:34,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112
[2020-09-24 18:00:34,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:35,222 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-24 18:00:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 18:00:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-24 18:00:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267
[2020-09-24 18:00:35,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73
[2020-09-24 18:00:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 18:00:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:35,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:35,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 18:00:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-24 18:00:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:35,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 18:00:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 18:00:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-24 18:00:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:35,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-24 18:00:35,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 18:00:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 18:00:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:35,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:35,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 18:00:35,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-09-24 18:00:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 18:00:35,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 18:00:35,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-24 18:00:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-24 18:00:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 18:00:35,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 18:00:35,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 18:00:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 18:00:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-09-24 18:00:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:35,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 18:00:35,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 18:00:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 18:00:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:35,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-09-24 18:00:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:35,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-24 18:00:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 18:00:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 18:00:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 18:00:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:35,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2020-09-24 18:00:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 18:00:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 18:00:35,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 18:00:35,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 18:00:35,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 18:00:35,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 18:00:35,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 18:00:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 18:00:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-24 18:00:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 18:00:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 18:00:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 18:00:35,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954460168]
[2020-09-24 18:00:35,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 18:00:35,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-24 18:00:35,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968143745]
[2020-09-24 18:00:35,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-24 18:00:35,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 18:00:35,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-24 18:00:35,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-24 18:00:35,822 INFO L87 Difference]: Start difference. First operand 282 states and 305 transitions. Second operand 10 states.
[2020-09-24 18:00:36,573 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 18:00:38,030 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 18:00:38,385 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 18:00:38,787 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 18:00:39,106 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-24 18:00:39,412 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-09-24 18:00:39,742 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 18:00:40,061 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-24 18:00:40,468 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-24 18:00:41,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 18:00:41,037 INFO L93 Difference]: Finished difference Result 704 states and 839 transitions.
[2020-09-24 18:00:41,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-24 18:00:41,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170
[2020-09-24 18:00:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 18:00:41,044 INFO L225 Difference]: With dead ends: 704
[2020-09-24 18:00:41,044 INFO L226 Difference]: Without dead ends: 532
[2020-09-24 18:00:41,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380
[2020-09-24 18:00:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states.
[2020-09-24 18:00:41,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 443.
[2020-09-24 18:00:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states.
[2020-09-24 18:00:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 495 transitions.
[2020-09-24 18:00:41,150 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 495 transitions. Word has length 170
[2020-09-24 18:00:41,151 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 18:00:41,151 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 495 transitions.
[2020-09-24 18:00:41,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-24 18:00:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 495 transitions.
[2020-09-24 18:00:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2020-09-24 18:00:41,154 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 18:00:41,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 18:00:41,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 18:00:41,155 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 18:00:41,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 18:00:41,156 INFO L82 PathProgramCache]: Analyzing trace with hash 194624342, now seen corresponding path program 1 times
[2020-09-24 18:00:41,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 18:00:41,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790759539]
[2020-09-24 18:00:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 18:00:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 18:00:41,228 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 18:00:41,228 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 18:00:41,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 18:00:41,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:00:41 BoogieIcfgContainer
[2020-09-24 18:00:41,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 18:00:41,265 INFO L168 Benchmark]: Toolchain (without parser) took 30649.65 ms. Allocated memory was 144.2 MB in the beginning and 624.4 MB in the end (delta: 480.2 MB). Free memory was 99.6 MB in the beginning and 549.1 MB in the end (delta: -449.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,265 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 98.9 MB in the beginning and 167.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,267 INFO L168 Benchmark]: Boogie Preprocessor took 130.03 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,268 INFO L168 Benchmark]: RCFGBuilder took 1301.85 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 163.6 MB in the beginning and 178.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,269 INFO L168 Benchmark]: TraceAbstraction took 28511.26 ms. Allocated memory was 229.1 MB in the beginning and 624.4 MB in the end (delta: 395.3 MB). Free memory was 176.8 MB in the beginning and 549.1 MB in the end (delta: -372.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
[2020-09-24 18:00:41,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 697.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 98.9 MB in the beginning and 167.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 130.03 ms. Allocated memory is still 200.3 MB. Free memory was 167.8 MB in the beginning and 163.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1301.85 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 163.6 MB in the beginning and 178.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 28511.26 ms. Allocated memory was 229.1 MB in the beginning and 624.4 MB in the end (delta: 395.3 MB). Free memory was 176.8 MB in the beginning and 549.1 MB in the end (delta: -372.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L46] int waterLevel = 1;
[L47] int methaneLevelCritical = 0;
[L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L530] int cleanupTimeShifts = 4;
[L677] int pumpRunning = 0;
[L678] int systemActive = 1;
[L606] int retValue_acc ;
[L607] int tmp ;
[L611] FCALL select_helpers()
[L612] FCALL select_features()
[L613] CALL, EXPR valid_product()
[L521] int retValue_acc ;
[L524] retValue_acc = 1
[L525] return (retValue_acc);
[L613] RET, EXPR valid_product()
[L613] tmp = valid_product()
[L615] COND TRUE \read(tmp)
[L617] FCALL setup()
[L618] CALL runTest()
[L600] CALL test()
[L808] int splverifierCounter ;
[L809] int tmp ;
[L810] int tmp___0 ;
[L811] int tmp___1 ;
[L812] int tmp___2 ;
[L815] splverifierCounter = 0
[L817] COND TRUE 1
[L819] COND TRUE splverifierCounter < 4
[L825] tmp = __VERIFIER_nondet_int()
[L827] COND TRUE \read(tmp)
[L829] CALL waterRise()
[L64] COND TRUE waterLevel < 2
[L65] waterLevel = waterLevel + 1
[L829] RET waterRise()
[L835] tmp___0 = __VERIFIER_nondet_int()
[L837] COND FALSE !(\read(tmp___0))
[L845] tmp___2 = __VERIFIER_nondet_int()
[L847] COND TRUE \read(tmp___2)
[L849] CALL startSystem()
[L802] systemActive = 1
[L849] RET startSystem()
[L864] CALL timeShift()
[L684] COND FALSE !(\read(pumpRunning))
[L691] COND TRUE \read(systemActive)
[L693] FCALL processEnvironment()
[L699] CALL __utac_acc__Specification3_spec__1()
[L640] int tmp ;
[L641] int tmp___0 ;
[L642] int tmp___1 ;
[L646] CALL, EXPR isMethaneLevelCritical()
[L85] int retValue_acc ;
[L88] retValue_acc = methaneLevelCritical
[L89] return (retValue_acc);
[L646] RET, EXPR isMethaneLevelCritical()
[L646] tmp = isMethaneLevelCritical()
[L648] COND FALSE !(\read(tmp))
[L652] CALL, EXPR getWaterLevel()
[L117] int retValue_acc ;
[L120] retValue_acc = waterLevel
[L121] return (retValue_acc);
[L652] RET, EXPR getWaterLevel()
[L652] tmp___0 = getWaterLevel()
[L654] COND TRUE tmp___0 == 2
[L656] CALL, EXPR isPumpRunning()
[L739] int retValue_acc ;
[L742] retValue_acc = pumpRunning
[L743] return (retValue_acc);
[L656] RET, EXPR isPumpRunning()
[L656] tmp___1 = isPumpRunning()
[L658] COND FALSE !(\read(tmp___1))
[L662] CALL __automaton_fail()
[L633] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 36 procedures, 588 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 28.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 797 SDtfs, 1085 SDslu, 802 SDs, 0 SdLazy, 1665 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 240 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 252436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...