/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=0.2 --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_spec1_product33.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 10:50:17,715 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 10:50:17,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 10:50:17,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 10:50:17,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 10:50:17,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 10:50:17,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 10:50:17,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 10:50:17,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 10:50:17,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 10:50:17,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 10:50:17,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 10:50:17,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 10:50:17,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 10:50:17,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 10:50:17,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 10:50:17,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 10:50:17,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 10:50:17,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 10:50:17,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 10:50:17,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 10:50:17,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 10:50:17,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 10:50:17,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 10:50:17,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 10:50:17,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 10:50:17,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 10:50:17,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 10:50:17,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 10:50:17,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 10:50:17,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 10:50:17,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 10:50:17,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 10:50:17,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 10:50:17,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 10:50:17,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 10:50:17,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 10:50:17,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 10:50:17,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 10:50:17,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 10:50:17,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 10:50:17,818 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 10:50:17,843 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 10:50:17,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 10:50:17,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 10:50:17,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 10:50:17,845 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 10:50:17,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 10:50:17,845 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 10:50:17,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 10:50:17,846 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 10:50:17,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 10:50:17,847 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 10:50:17,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 10:50:17,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 10:50:17,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 10:50:17,848 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 10:50:17,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 10:50:17,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 10:50:17,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 10:50:17,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 10:50:17,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 10:50:17,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 10:50:17,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 10:50:17,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 10:50:17,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 10:50:17,849 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true;
[2020-09-25 10:50:18,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 10:50:18,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 10:50:18,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 10:50:18,338 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 10:50:18,339 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 10:50:18,340 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product33.cil.c
[2020-09-25 10:50:18,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931/FLAG09bad7a3f
[2020-09-25 10:50:19,010 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 10:50:19,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product33.cil.c
[2020-09-25 10:50:19,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931/FLAG09bad7a3f
[2020-09-25 10:50:19,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23139d496/3e54de8bc91145158b0499f6230a6931
[2020-09-25 10:50:19,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 10:50:19,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 10:50:19,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 10:50:19,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 10:50:19,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 10:50:19,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:19" (1/1) ...
[2020-09-25 10:50:19,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4700e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:19, skipping insertion in model container
[2020-09-25 10:50:19,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:50:19" (1/1) ...
[2020-09-25 10:50:19,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 10:50:19,404 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 10:50:19,748 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:50:19,773 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 10:50:19,991 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:50:20,024 INFO L208 MainTranslator]: Completed translation
[2020-09-25 10:50:20,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20 WrapperNode
[2020-09-25 10:50:20,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 10:50:20,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 10:50:20,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 10:50:20,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 10:50:20,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
[2020-09-25 10:50:20,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 10:50:20,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 10:50:20,137 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 10:50:20,137 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 10:50:20,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 10:50:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 10:50:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 10:50:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-09-25 10:50:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-09-25 10:50:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-09-25 10:50:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-09-25 10:50:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-09-25 10:50:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-09-25 10:50:20,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-09-25 10:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-09-25 10:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-09-25 10:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-09-25 10:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-09-25 10:50:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-09-25 10:50:20,234 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-09-25 10:50:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-09-25 10:50:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-09-25 10:50:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-09-25 10:50:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-09-25 10:50:20,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-09-25 10:50:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-09-25 10:50:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-09-25 10:50:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-09-25 10:50:20,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-09-25 10:50:20,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-09-25 10:50:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-09-25 10:50:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-09-25 10:50:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-09-25 10:50:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 10:50:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-09-25 10:50:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-09-25 10:50:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-09-25 10:50:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-09-25 10:50:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-09-25 10:50:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-09-25 10:50:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-09-25 10:50:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-09-25 10:50:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 10:50:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 10:50:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 10:50:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 10:50:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 10:50:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 10:50:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-09-25 10:50:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 10:50:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-09-25 10:50:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-09-25 10:50:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 10:50:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-09-25 10:50:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-09-25 10:50:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 10:50:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-09-25 10:50:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-09-25 10:50:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-09-25 10:50:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-09-25 10:50:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-09-25 10:50:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-09-25 10:50:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-09-25 10:50:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-09-25 10:50:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-09-25 10:50:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-09-25 10:50:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-09-25 10:50:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-09-25 10:50:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-09-25 10:50:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-09-25 10:50:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-09-25 10:50:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-09-25 10:50:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-09-25 10:50:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-09-25 10:50:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-09-25 10:50:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-09-25 10:50:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-09-25 10:50:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-09-25 10:50:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 10:50:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-09-25 10:50:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 10:50:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 10:50:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 10:50:21,345 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 10:50:21,345 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 10:50:21,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:21 BoogieIcfgContainer
[2020-09-25 10:50:21,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 10:50:21,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 10:50:21,353 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 10:50:21,357 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 10:50:21,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:50:19" (1/3) ...
[2020-09-25 10:50:21,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:21, skipping insertion in model container
[2020-09-25 10:50:21,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:50:20" (2/3) ...
[2020-09-25 10:50:21,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e0300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:50:21, skipping insertion in model container
[2020-09-25 10:50:21,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:50:21" (3/3) ...
[2020-09-25 10:50:21,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product33.cil.c
[2020-09-25 10:50:21,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 10:50:21,385 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 10:50:21,408 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 10:50:21,441 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 10:50:21,442 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 10:50:21,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 10:50:21,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 10:50:21,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 10:50:21,442 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 10:50:21,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 10:50:21,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 10:50:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states.
[2020-09-25 10:50:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-09-25 10:50:21,492 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:50:21,493 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]
[2020-09-25 10:50:21,494 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:21,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:21,503 INFO L82 PathProgramCache]: Analyzing trace with hash -955195086, now seen corresponding path program 1 times
[2020-09-25 10:50:21,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:21,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747684681]
[2020-09-25 10:50:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:22,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:23,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:26,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:26,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173
[2020-09-25 10:50:26,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 10:50:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045
[2020-09-25 10:50:26,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:26,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:26,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 10:50:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82
[2020-09-25 10:50:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75
[2020-09-25 10:50:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7
[2020-09-25 10:50:27,427 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331
[2020-09-25 10:50:27,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78
[2020-09-25 10:50:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:27,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:27,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:27,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:27,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:27,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:27,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 10:50:27,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:27,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:28,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:28,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:28,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 10:50:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-09-25 10:50:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:28,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:28,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:28,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:28,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:28,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:28,105 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 10:50:28,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747684681]
[2020-09-25 10:50:28,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:28,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 10:50:28,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143001589]
[2020-09-25 10:50:28,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 10:50:28,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:28,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 10:50:28,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 10:50:28,139 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 8 states.
[2020-09-25 10:50:28,717 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:29,933 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:30,211 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:30,506 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:30,866 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:31,142 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:31,735 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:32,070 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:32,600 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:33,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:33,624 INFO L93 Difference]: Finished difference Result 554 states and 680 transitions.
[2020-09-25 10:50:33,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-09-25 10:50:33,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-09-25 10:50:33,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:33,649 INFO L225 Difference]: With dead ends: 554
[2020-09-25 10:50:33,650 INFO L226 Difference]: Without dead ends: 370
[2020-09-25 10:50:33,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2020-09-25 10:50:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states.
[2020-09-25 10:50:33,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 319.
[2020-09-25 10:50:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states.
[2020-09-25 10:50:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 351 transitions.
[2020-09-25 10:50:33,801 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 351 transitions. Word has length 142
[2020-09-25 10:50:33,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:33,802 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 351 transitions.
[2020-09-25 10:50:33,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 10:50:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 351 transitions.
[2020-09-25 10:50:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2020-09-25 10:50:33,808 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:50:33,808 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]
[2020-09-25 10:50:33,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 10:50:33,809 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:33,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:33,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1771046577, now seen corresponding path program 1 times
[2020-09-25 10:50:33,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:33,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457446062]
[2020-09-25 10:50:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:33,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:37,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:37,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188
[2020-09-25 10:50:37,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 10:50:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3803
[2020-09-25 10:50:37,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:37,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-25 10:50:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78
[2020-09-25 10:50:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106
[2020-09-25 10:50:37,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:37,954 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:37,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:38,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193
[2020-09-25 10:50:38,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74
[2020-09-25 10:50:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:38,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:38,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 10:50:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:38,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:38,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:38,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:38,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 10:50:38,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 10:50:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-09-25 10:50:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:38,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-09-25 10:50:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:38,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 10:50:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:38,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:38,407 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 10:50:38,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457446062]
[2020-09-25 10:50:38,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:38,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 10:50:38,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087115419]
[2020-09-25 10:50:38,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 10:50:38,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:38,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 10:50:38,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 10:50:38,420 INFO L87 Difference]: Start difference. First operand 319 states and 351 transitions. Second operand 9 states.
[2020-09-25 10:50:38,917 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:39,958 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:40,283 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:40,655 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:40,970 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-09-25 10:50:41,267 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:41,881 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:42,178 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:42,583 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:43,468 INFO L93 Difference]: Finished difference Result 769 states and 934 transitions.
[2020-09-25 10:50:43,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-09-25 10:50:43,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157
[2020-09-25 10:50:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:43,477 INFO L225 Difference]: With dead ends: 769
[2020-09-25 10:50:43,477 INFO L226 Difference]: Without dead ends: 560
[2020-09-25 10:50:43,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-09-25 10:50:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2020-09-25 10:50:43,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 473.
[2020-09-25 10:50:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states.
[2020-09-25 10:50:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 549 transitions.
[2020-09-25 10:50:43,573 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 549 transitions. Word has length 157
[2020-09-25 10:50:43,574 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:43,574 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 549 transitions.
[2020-09-25 10:50:43,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 10:50:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 549 transitions.
[2020-09-25 10:50:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:43,578 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:50:43,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:43,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 10:50:43,579 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:43,579 INFO L82 PathProgramCache]: Analyzing trace with hash -533744723, now seen corresponding path program 1 times
[2020-09-25 10:50:43,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:43,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272836132]
[2020-09-25 10:50:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:44,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751
[2020-09-25 10:50:44,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171
[2020-09-25 10:50:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:44,675 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:44,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96
[2020-09-25 10:50:44,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:44,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:44,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:44,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:44,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:44,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:44,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:44,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:44,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:44,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 10:50:44,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 10:50:44,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:44,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:44,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-25 10:50:44,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:44,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 10:50:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-25 10:50:44,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:45,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 10:50:45,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 10:50:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:45,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:45,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:45,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 10:50:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:45,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:45,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:45,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:45,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:45,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:45,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:45,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:45,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:45,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:45,156 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 10:50:45,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272836132]
[2020-09-25 10:50:45,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:45,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 10:50:45,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667731573]
[2020-09-25 10:50:45,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 10:50:45,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:45,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 10:50:45,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-09-25 10:50:45,159 INFO L87 Difference]: Start difference. First operand 473 states and 549 transitions. Second operand 9 states.
[2020-09-25 10:50:46,227 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:46,512 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:46,815 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:47,127 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:47,404 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:48,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:48,381 INFO L93 Difference]: Finished difference Result 1022 states and 1310 transitions.
[2020-09-25 10:50:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 10:50:48,383 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190
[2020-09-25 10:50:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:48,393 INFO L225 Difference]: With dead ends: 1022
[2020-09-25 10:50:48,394 INFO L226 Difference]: Without dead ends: 659
[2020-09-25 10:50:48,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210
[2020-09-25 10:50:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states.
[2020-09-25 10:50:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 485.
[2020-09-25 10:50:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states.
[2020-09-25 10:50:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 561 transitions.
[2020-09-25 10:50:48,470 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 561 transitions. Word has length 190
[2020-09-25 10:50:48,471 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:48,471 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 561 transitions.
[2020-09-25 10:50:48,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 10:50:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 561 transitions.
[2020-09-25 10:50:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:48,475 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:50:48,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:48,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 10:50:48,475 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:48,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash 888496141, now seen corresponding path program 1 times
[2020-09-25 10:50:48,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:48,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379974706]
[2020-09-25 10:50:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:48,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:49,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846
[2020-09-25 10:50:49,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 10:50:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179
[2020-09-25 10:50:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,668 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:49,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131
[2020-09-25 10:50:49,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:49,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:49,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:49,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:49,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:49,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:49,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:49,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:49,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 10:50:49,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:49,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 10:50:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 10:50:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:49,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48
[2020-09-25 10:50:50,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 10:50:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22
[2020-09-25 10:50:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:50:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:50,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 10:50:50,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:50,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 10:50:50,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:50,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:50,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:50,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:50,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:50,213 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 10:50:50,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379974706]
[2020-09-25 10:50:50,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:50,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 10:50:50,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142047949]
[2020-09-25 10:50:50,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 10:50:50,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:50,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 10:50:50,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 10:50:50,217 INFO L87 Difference]: Start difference. First operand 485 states and 561 transitions. Second operand 10 states.
[2020-09-25 10:50:51,722 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-09-25 10:50:52,018 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-09-25 10:50:52,337 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-09-25 10:50:52,697 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:53,023 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-09-25 10:50:53,319 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-09-25 10:50:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:50:54,211 INFO L93 Difference]: Finished difference Result 1040 states and 1295 transitions.
[2020-09-25 10:50:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 10:50:54,211 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190
[2020-09-25 10:50:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:50:54,217 INFO L225 Difference]: With dead ends: 1040
[2020-09-25 10:50:54,217 INFO L226 Difference]: Without dead ends: 665
[2020-09-25 10:50:54,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2020-09-25 10:50:54,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states.
[2020-09-25 10:50:54,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 501.
[2020-09-25 10:50:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states.
[2020-09-25 10:50:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 577 transitions.
[2020-09-25 10:50:54,312 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 577 transitions. Word has length 190
[2020-09-25 10:50:54,312 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:50:54,312 INFO L479 AbstractCegarLoop]: Abstraction has 501 states and 577 transitions.
[2020-09-25 10:50:54,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 10:50:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 577 transitions.
[2020-09-25 10:50:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2020-09-25 10:50:54,314 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:50:54,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:50:54,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 10:50:54,315 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:50:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:50:54,316 INFO L82 PathProgramCache]: Analyzing trace with hash -325395952, now seen corresponding path program 1 times
[2020-09-25 10:50:54,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:50:54,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403405375]
[2020-09-25 10:50:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:50:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:54,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:55,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:55,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229
[2020-09-25 10:50:55,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1234
[2020-09-25 10:50:55,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:55,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 10:50:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81
[2020-09-25 10:50:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90
[2020-09-25 10:50:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:55,918 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-09-25 10:50:55,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:50:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:55,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 10:50:56,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236
[2020-09-25 10:50:56,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77
[2020-09-25 10:50:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-25 10:50:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-09-25 10:50:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:56,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-09-25 10:50:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 10:50:56,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 10:50:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-25 10:50:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 10:50:56,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-25 10:50:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-09-25 10:50:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:50:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 10:50:56,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 10:50:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-09-25 10:50:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 10:50:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 10:50:56,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15
[2020-09-25 10:50:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 10:50:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 10:50:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 10:50:56,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-09-25 10:50:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:50:56,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 10:50:56,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-25 10:50:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 10:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 10:50:56,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 10:50:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:50:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:50:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 10:50:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:50:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2020-09-25 10:50:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 10:50:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178
[2020-09-25 10:50:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:50:56,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:50:56,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2
[2020-09-25 10:50:56,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:50:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8
[2020-09-25 10:50:56,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:50:56,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 10:50:56,432 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 10:50:56,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403405375]
[2020-09-25 10:50:56,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:50:56,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 10:50:56,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291525387]
[2020-09-25 10:50:56,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 10:50:56,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:50:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 10:50:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 10:50:56,434 INFO L87 Difference]: Start difference. First operand 501 states and 577 transitions. Second operand 7 states.
[2020-09-25 10:50:56,952 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:50:57,909 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-09-25 10:51:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:51:01,088 INFO L93 Difference]: Finished difference Result 1837 states and 2467 transitions.
[2020-09-25 10:51:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-09-25 10:51:01,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190
[2020-09-25 10:51:01,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:51:01,098 INFO L225 Difference]: With dead ends: 1837
[2020-09-25 10:51:01,099 INFO L226 Difference]: Without dead ends: 1424
[2020-09-25 10:51:01,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240
[2020-09-25 10:51:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states.
[2020-09-25 10:51:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1041.
[2020-09-25 10:51:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states.
[2020-09-25 10:51:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1260 transitions.
[2020-09-25 10:51:01,233 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1260 transitions. Word has length 190
[2020-09-25 10:51:01,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:51:01,234 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1260 transitions.
[2020-09-25 10:51:01,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 10:51:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1260 transitions.
[2020-09-25 10:51:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2020-09-25 10:51:01,238 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:51:01,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:51:01,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 10:51:01,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:51:01,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:51:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash -527704718, now seen corresponding path program 1 times
[2020-09-25 10:51:01,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:51:01,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937396872]
[2020-09-25 10:51:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:51:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 10:51:01,300 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 10:51:01,300 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 10:51:01,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 10:51:01,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:51:01 BoogieIcfgContainer
[2020-09-25 10:51:01,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 10:51:01,350 INFO L168 Benchmark]: Toolchain (without parser) took 42026.37 ms. Allocated memory was 137.4 MB in the beginning and 711.5 MB in the end (delta: 574.1 MB). Free memory was 100.0 MB in the beginning and 556.1 MB in the end (delta: -456.0 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,351 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,352 INFO L168 Benchmark]: Boogie Preprocessor took 110.79 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 165.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,354 INFO L168 Benchmark]: RCFGBuilder took 1215.73 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 165.8 MB in the beginning and 177.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,362 INFO L168 Benchmark]: TraceAbstraction took 39989.54 ms. Allocated memory was 230.7 MB in the beginning and 711.5 MB in the end (delta: 480.8 MB). Free memory was 177.9 MB in the beginning and 556.1 MB in the end (delta: -378.2 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB.
[2020-09-25 10:51:01,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 701.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 110.79 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 165.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1215.73 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 165.8 MB in the beginning and 177.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 39989.54 ms. Allocated memory was 230.7 MB in the beginning and 711.5 MB in the end (delta: 480.8 MB). Free memory was 177.9 MB in the beginning and 556.1 MB in the end (delta: -378.2 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 410]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L424] int pumpRunning = 0;
[L425] int systemActive = 1;
[L683] int cleanupTimeShifts = 4;
[L806] int waterLevel = 1;
[L807] int methaneLevelCritical = 0;
[L756] int retValue_acc ;
[L757] int tmp ;
[L761] FCALL select_helpers()
[L762] FCALL select_features()
[L763] CALL, EXPR valid_product()
[L674] int retValue_acc ;
[L677] retValue_acc = 1
[L678] return (retValue_acc);
[L763] RET, EXPR valid_product()
[L763] tmp = valid_product()
[L765] COND TRUE \read(tmp)
[L767] FCALL setup()
[L768] CALL runTest()
[L750] CALL test()
[L581] int splverifierCounter ;
[L582] int tmp ;
[L583] int tmp___0 ;
[L584] int tmp___1 ;
[L585] int tmp___2 ;
[L588] splverifierCounter = 0
[L590] COND TRUE 1
[L592] COND TRUE splverifierCounter < 4
[L598] tmp = __VERIFIER_nondet_int()
[L600] COND TRUE \read(tmp)
[L602] CALL waterRise()
[L824] COND TRUE waterLevel < 2
[L825] waterLevel = waterLevel + 1
[L602] RET waterRise()
[L608] tmp___0 = __VERIFIER_nondet_int()
[L610] COND TRUE \read(tmp___0)
[L612] CALL changeMethaneLevel()
[L836] COND FALSE !(\read(methaneLevelCritical))
[L839] methaneLevelCritical = 1
[L612] RET changeMethaneLevel()
[L618] tmp___2 = __VERIFIER_nondet_int()
[L620] COND TRUE \read(tmp___2)
[L633] CALL timeShift()
[L432] COND FALSE !(\read(pumpRunning))
[L439] COND TRUE \read(systemActive)
[L441] CALL processEnvironment()
[L461] int tmp ;
[L464] COND TRUE ! pumpRunning
[L466] CALL, EXPR isHighWaterLevel()
[L558] int retValue_acc ;
[L559] int tmp ;
[L560] int tmp___0 ;
[L564] CALL, EXPR isHighWaterSensorDry()
[L886] int retValue_acc ;
[L889] COND FALSE !(waterLevel < 2)
[L893] retValue_acc = 0
[L894] return (retValue_acc);
[L564] RET, EXPR isHighWaterSensorDry()
[L564] tmp = isHighWaterSensorDry()
[L566] COND FALSE !(\read(tmp))
[L569] tmp___0 = 1
[L571] retValue_acc = tmp___0
[L572] return (retValue_acc);
[L466] RET, EXPR isHighWaterLevel()
[L466] tmp = isHighWaterLevel()
[L468] COND TRUE \read(tmp)
[L470] CALL activatePump()
[L489] pumpRunning = 1
[L470] RET activatePump()
[L441] RET processEnvironment()
[L447] CALL __utac_acc__Specification1_spec__1()
[L780] int tmp ;
[L781] int tmp___0 ;
[L785] CALL, EXPR isMethaneLevelCritical()
[L845] int retValue_acc ;
[L848] retValue_acc = methaneLevelCritical
[L849] return (retValue_acc);
[L785] RET, EXPR isMethaneLevelCritical()
[L785] tmp = isMethaneLevelCritical()
[L787] COND TRUE \read(tmp)
[L789] CALL, EXPR isPumpRunning()
[L513] int retValue_acc ;
[L516] retValue_acc = pumpRunning
[L517] return (retValue_acc);
[L789] RET, EXPR isPumpRunning()
[L789] tmp___0 = isPumpRunning()
[L791] COND TRUE \read(tmp___0)
[L793] CALL __automaton_fail()
[L410] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 37 procedures, 606 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1172 SDtfs, 2279 SDslu, 2477 SDs, 0 SdLazy, 5039 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1041occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 859 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 1064 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 374364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...