/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product05.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 12:03:00,992 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 12:03:00,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 12:03:01,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 12:03:01,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 12:03:01,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 12:03:01,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 12:03:01,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 12:03:01,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 12:03:01,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 12:03:01,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 12:03:01,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 12:03:01,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 12:03:01,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 12:03:01,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 12:03:01,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 12:03:01,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 12:03:01,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 12:03:01,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 12:03:01,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 12:03:01,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 12:03:01,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 12:03:01,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 12:03:01,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 12:03:01,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 12:03:01,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 12:03:01,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 12:03:01,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 12:03:01,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 12:03:01,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 12:03:01,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 12:03:01,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 12:03:01,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 12:03:01,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 12:03:01,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 12:03:01,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 12:03:01,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 12:03:01,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 12:03:01,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 12:03:01,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 12:03:01,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 12:03:01,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 12:03:01,109 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 12:03:01,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 12:03:01,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 12:03:01,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 12:03:01,111 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 12:03:01,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 12:03:01,111 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 12:03:01,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 12:03:01,113 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 12:03:01,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 12:03:01,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 12:03:01,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 12:03:01,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 12:03:01,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 12:03:01,116 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 12:03:01,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 12:03:01,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:01,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 12:03:01,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 12:03:01,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 12:03:01,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 12:03:01,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 12:03:01,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 12:03:01,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 12:03:01,119 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;
[2020-09-25 12:03:01,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 12:03:01,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 12:03:01,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 12:03:01,635 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 12:03:01,636 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 12:03:01,637 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2020-09-25 12:03:01,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0e97d414/e8e4def7c50640898ac86c865082417c/FLAG1937521e9
[2020-09-25 12:03:02,327 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 12:03:02,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c
[2020-09-25 12:03:02,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0e97d414/e8e4def7c50640898ac86c865082417c/FLAG1937521e9
[2020-09-25 12:03:02,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0e97d414/e8e4def7c50640898ac86c865082417c
[2020-09-25 12:03:02,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 12:03:02,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 12:03:02,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:02,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 12:03:02,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 12:03:02,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:02" (1/1) ...
[2020-09-25 12:03:02,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8aa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:02, skipping insertion in model container
[2020-09-25 12:03:02,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:02" (1/1) ...
[2020-09-25 12:03:02,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 12:03:02,684 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 12:03:03,143 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:03,164 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 12:03:03,241 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 12:03:03,285 INFO L208 MainTranslator]: Completed translation
[2020-09-25 12:03:03,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03 WrapperNode
[2020-09-25 12:03:03,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 12:03:03,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 12:03:03,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 12:03:03,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 12:03:03,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
[2020-09-25 12:03:03,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 12:03:03,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 12:03:03,384 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 12:03:03,384 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 12:03:03,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 12:03:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 12:03:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 12:03:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 12:03:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 12:03:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 12:03:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 12:03:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 12:03:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 12:03:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 12:03:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 12:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 12:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 12:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 12:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 12:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 12:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 12:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 12:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 12:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 12:03:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 12:03:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 12:03:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 12:03:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 12:03:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 12:03:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 12:03:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 12:03:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 12:03:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 12:03:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 12:03:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 12:03:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 12:03:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 12:03:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 12:03:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 12:03:04,566 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 12:03:04,567 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 12:03:04,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:04 BoogieIcfgContainer
[2020-09-25 12:03:04,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 12:03:04,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 12:03:04,576 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 12:03:04,579 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 12:03:04,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:02" (1/3) ...
[2020-09-25 12:03:04,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9c5d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:04, skipping insertion in model container
[2020-09-25 12:03:04,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:03" (2/3) ...
[2020-09-25 12:03:04,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9c5d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:04, skipping insertion in model container
[2020-09-25 12:03:04,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:04" (3/3) ...
[2020-09-25 12:03:04,584 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c
[2020-09-25 12:03:04,595 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 12:03:04,606 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 12:03:04,628 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 12:03:04,660 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 12:03:04,661 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 12:03:04,661 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 12:03:04,661 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 12:03:04,661 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 12:03:04,661 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 12:03:04,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 12:03:04,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 12:03:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states.
[2020-09-25 12:03:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-09-25 12:03:04,708 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 12:03:04,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:04,710 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:04,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:04,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1745842468, now seen corresponding path program 1 times
[2020-09-25 12:03:04,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:04,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519173329]
[2020-09-25 12:03:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:05,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:09,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:09,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186
[2020-09-25 12:03:09,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 12:03:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4292
[2020-09-25 12:03:09,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:09,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 12:03:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 12:03:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89
[2020-09-25 12:03:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8
[2020-09-25 12:03:09,843 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:10,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289
[2020-09-25 12:03:10,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 12:03:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:10,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 12:03:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 12:03:10,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:10,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 12:03:10,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:10,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:10,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-09-25 12:03:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:10,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 12:03:10,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-09-25 12:03:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:10,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 12:03:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 12:03:10,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:10,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-09-25 12:03:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:10,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:10,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:10,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:10,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:10,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:10,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:10,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519173329]
[2020-09-25 12:03:10,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:10,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 12:03:10,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671959201]
[2020-09-25 12:03:10,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 12:03:10,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:10,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 12:03:10,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 12:03:10,494 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 8 states.
[2020-09-25 12:03:11,453 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:12,940 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:13,282 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:13,618 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:13,963 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:14,290 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 12:03:14,602 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:14,905 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 12:03:15,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:15,952 INFO L93 Difference]: Finished difference Result 537 states and 668 transitions.
[2020-09-25 12:03:15,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 12:03:15,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153
[2020-09-25 12:03:15,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:15,980 INFO L225 Difference]: With dead ends: 537
[2020-09-25 12:03:15,980 INFO L226 Difference]: Without dead ends: 373
[2020-09-25 12:03:15,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240
[2020-09-25 12:03:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states.
[2020-09-25 12:03:16,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330.
[2020-09-25 12:03:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states.
[2020-09-25 12:03:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions.
[2020-09-25 12:03:16,112 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 153
[2020-09-25 12:03:16,113 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:16,113 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions.
[2020-09-25 12:03:16,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 12:03:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions.
[2020-09-25 12:03:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-09-25 12:03:16,120 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 12:03:16,120 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]
[2020-09-25 12:03:16,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 12:03:16,121 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:16,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:16,121 INFO L82 PathProgramCache]: Analyzing trace with hash -438576822, now seen corresponding path program 1 times
[2020-09-25 12:03:16,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:16,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360224327]
[2020-09-25 12:03:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:16,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:16,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:20,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194
[2020-09-25 12:03:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 12:03:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043
[2020-09-25 12:03:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 12:03:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70
[2020-09-25 12:03:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,512 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 12:03:21,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 12:03:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 12:03:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236
[2020-09-25 12:03:21,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 12:03:21,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 12:03:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:21,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 12:03:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:21,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:21,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 12:03:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:03:21,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 12:03:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 12:03:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 12:03:21,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 12:03:21,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 12:03:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2020-09-25 12:03:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 12:03:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-09-25 12:03:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:21,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2020-09-25 12:03:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:21,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:21,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2020-09-25 12:03:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 12:03:21,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 12:03:21,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 12:03:21,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 12:03:21,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 12:03:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 12:03:21,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 12:03:21,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3
[2020-09-25 12:03:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 12:03:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 12:03:21,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 12:03:21,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 12:03:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 12:03:21,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360224327]
[2020-09-25 12:03:21,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 12:03:21,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 12:03:21,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334080006]
[2020-09-25 12:03:21,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 12:03:21,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 12:03:21,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 12:03:21,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 12:03:21,943 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 5 states.
[2020-09-25 12:03:22,470 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 12:03:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 12:03:23,402 INFO L93 Difference]: Finished difference Result 598 states and 731 transitions.
[2020-09-25 12:03:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 12:03:23,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159
[2020-09-25 12:03:23,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 12:03:23,408 INFO L225 Difference]: With dead ends: 598
[2020-09-25 12:03:23,408 INFO L226 Difference]: Without dead ends: 378
[2020-09-25 12:03:23,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 12:03:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states.
[2020-09-25 12:03:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 328.
[2020-09-25 12:03:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states.
[2020-09-25 12:03:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 368 transitions.
[2020-09-25 12:03:23,468 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 368 transitions. Word has length 159
[2020-09-25 12:03:23,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 12:03:23,469 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 368 transitions.
[2020-09-25 12:03:23,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 12:03:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 368 transitions.
[2020-09-25 12:03:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2020-09-25 12:03:23,474 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 12:03:23,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 12:03:23,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 12:03:23,474 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 12:03:23,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 12:03:23,475 INFO L82 PathProgramCache]: Analyzing trace with hash -481228589, now seen corresponding path program 1 times
[2020-09-25 12:03:23,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 12:03:23,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732352852]
[2020-09-25 12:03:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 12:03:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 12:03:23,537 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 12:03:23,537 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 12:03:23,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 12:03:23,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:23 BoogieIcfgContainer
[2020-09-25 12:03:23,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 12:03:23,572 INFO L168 Benchmark]: Toolchain (without parser) took 20962.64 ms. Allocated memory was 144.2 MB in the beginning and 501.2 MB in the end (delta: 357.0 MB). Free memory was 98.3 MB in the beginning and 149.9 MB in the end (delta: -51.6 MB). Peak memory consumption was 305.4 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,572 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.71 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 97.7 MB in the beginning and 170.0 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,574 INFO L168 Benchmark]: Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,575 INFO L168 Benchmark]: RCFGBuilder took 1190.88 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 165.5 MB in the beginning and 178.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,576 INFO L168 Benchmark]: TraceAbstraction took 18993.99 ms. Allocated memory was 229.6 MB in the beginning and 501.2 MB in the end (delta: 271.6 MB). Free memory was 178.7 MB in the beginning and 149.9 MB in the end (delta: 28.8 MB). Peak memory consumption was 300.4 MB. Max. memory is 7.1 GB.
[2020-09-25 12:03:23,580 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 672.71 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 97.7 MB in the beginning and 170.0 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 96.47 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1190.88 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 165.5 MB in the beginning and 178.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 18993.99 ms. Allocated memory was 229.6 MB in the beginning and 501.2 MB in the end (delta: 271.6 MB). Free memory was 178.7 MB in the beginning and 149.9 MB in the end (delta: 28.8 MB). Peak memory consumption was 300.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L95] int pumpRunning = 0;
[L96] int systemActive = 1;
[L297] int cleanupTimeShifts = 4;
[L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L760] int waterLevel = 1;
[L761] int methaneLevelCritical = 0;
[L370] int retValue_acc ;
[L371] int tmp ;
[L375] FCALL select_helpers()
[L376] FCALL select_features()
[L377] CALL, EXPR valid_product()
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
[L377] RET, EXPR valid_product()
[L377] tmp = valid_product()
[L379] COND TRUE \read(tmp)
[L381] FCALL setup()
[L382] CALL runTest()
[L364] CALL test()
[L233] int splverifierCounter ;
[L234] int tmp ;
[L235] int tmp___0 ;
[L236] int tmp___1 ;
[L237] int tmp___2 ;
[L240] splverifierCounter = 0
[L242] COND TRUE 1
[L244] COND TRUE splverifierCounter < 4
[L250] tmp = __VERIFIER_nondet_int()
[L252] COND TRUE \read(tmp)
[L254] CALL waterRise()
[L778] COND TRUE waterLevel < 2
[L779] waterLevel = waterLevel + 1
[L254] RET waterRise()
[L260] tmp___0 = __VERIFIER_nondet_int()
[L262] COND FALSE !(\read(tmp___0))
[L270] tmp___2 = __VERIFIER_nondet_int()
[L272] COND TRUE \read(tmp___2)
[L285] CALL timeShift()
[L103] COND FALSE !(\read(pumpRunning))
[L110] COND TRUE \read(systemActive)
[L112] CALL processEnvironment()
[L132] int tmp ;
[L135] COND FALSE !(\read(pumpRunning))
[L150] FCALL processEnvironment__wrappee__base()
[L112] RET processEnvironment()
[L118] CALL __utac_acc__Specification3_spec__1()
[L841] int tmp ;
[L842] int tmp___0 ;
[L843] int tmp___1 ;
[L847] CALL, EXPR isMethaneLevelCritical()
[L799] int retValue_acc ;
[L802] retValue_acc = methaneLevelCritical
[L803] return (retValue_acc);
[L847] RET, EXPR isMethaneLevelCritical()
[L847] tmp = isMethaneLevelCritical()
[L849] COND FALSE !(\read(tmp))
[L853] CALL, EXPR getWaterLevel()
[L831] int retValue_acc ;
[L834] retValue_acc = waterLevel
[L835] return (retValue_acc);
[L853] RET, EXPR getWaterLevel()
[L853] tmp___0 = getWaterLevel()
[L855] COND TRUE tmp___0 == 2
[L857] CALL, EXPR isPumpRunning()
[L184] int retValue_acc ;
[L187] retValue_acc = pumpRunning
[L188] return (retValue_acc);
[L857] RET, EXPR isPumpRunning()
[L857] tmp___1 = isPumpRunning()
[L859] COND FALSE !(\read(tmp___1))
[L863] CALL __automaton_fail()
[L82] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 35 procedures, 590 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 694 SDslu, 688 SDs, 0 SdLazy, 1294 SolverSat, 213 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 93 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 129842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...