/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:45:09,710 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:45:09,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:45:09,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:45:09,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:45:09,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:45:09,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:45:09,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:45:09,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:45:09,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:45:09,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:45:09,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:45:09,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:45:09,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:45:09,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:45:09,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:45:09,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:45:09,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:45:09,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:45:09,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:45:09,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:45:09,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:45:09,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:45:09,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:45:09,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:45:09,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:45:09,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:45:09,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:45:09,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:45:09,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:45:09,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:45:09,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:45:09,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:45:09,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:45:09,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:45:09,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:45:09,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:45:09,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:45:09,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:45:09,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:45:09,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:45:09,818 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 05:45:09,864 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:45:09,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:45:09,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:45:09,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:45:09,867 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:45:09,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:45:09,868 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:45:09,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:45:09,868 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:45:09,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:45:09,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:45:09,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:45:09,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:45:09,870 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:45:09,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:45:09,871 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:45:09,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:45:09,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:45:09,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:45:09,872 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:45:09,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:45:09,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:45:09,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:45:09,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:45:09,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:45:09,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:45:09,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:45:09,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:45:09,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:45:09,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:45:10,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:45:10,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:45:10,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:45:10,388 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:45:10,389 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:45:10,390 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c
[2020-09-25 05:45:10,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d307058/8cde6aec256148828cd323c2d477ea13/FLAGac65b4276
[2020-09-25 05:45:11,023 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:45:11,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c
[2020-09-25 05:45:11,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d307058/8cde6aec256148828cd323c2d477ea13/FLAGac65b4276
[2020-09-25 05:45:11,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25d307058/8cde6aec256148828cd323c2d477ea13
[2020-09-25 05:45:11,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:45:11,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:45:11,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:45:11,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:45:11,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:45:11,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa4179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11, skipping insertion in model container
[2020-09-25 05:45:11,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:45:11,399 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:45:11,618 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:45:11,623 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:45:11,641 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:45:11,659 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:45:11,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11 WrapperNode
[2020-09-25 05:45:11,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:45:11,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:45:11,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:45:11,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:45:11,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
[2020-09-25 05:45:11,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:45:11,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:45:11,790 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:45:11,790 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:45:11,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:45:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:45:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:45:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 05:45:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:45:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:45:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:45:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 05:45:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:45:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:45:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:45:12,114 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:45:12,114 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 05:45:12,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:12 BoogieIcfgContainer
[2020-09-25 05:45:12,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:45:12,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:45:12,137 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:45:12,141 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:45:12,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:45:11" (1/3) ...
[2020-09-25 05:45:12,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f19cb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:12, skipping insertion in model container
[2020-09-25 05:45:12,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:11" (2/3) ...
[2020-09-25 05:45:12,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f19cb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:12, skipping insertion in model container
[2020-09-25 05:45:12,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:12" (3/3) ...
[2020-09-25 05:45:12,154 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c
[2020-09-25 05:45:12,180 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:45:12,199 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:45:12,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:45:12,245 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:45:12,246 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:45:12,246 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:45:12,246 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:45:12,246 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:45:12,246 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:45:12,247 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:45:12,247 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:45:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states.
[2020-09-25 05:45:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-09-25 05:45:12,274 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:45:12,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:45:12,275 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:45:12,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:45:12,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1436140310, now seen corresponding path program 1 times
[2020-09-25 05:45:12,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:45:12,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137994601]
[2020-09-25 05:45:12,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:45:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:12,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:12,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21
[2020-09-25 05:45:12,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:45:12,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149
[2020-09-25 05:45:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:12,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13
[2020-09-25 05:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:45:12,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 05:45:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:45:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:45:12,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:45:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:12,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:45:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:45:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:45:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:12,584 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 05:45:12,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137994601]
[2020-09-25 05:45:12,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:45:12,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-09-25 05:45:12,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827684736]
[2020-09-25 05:45:12,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-09-25 05:45:12,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:45:12,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-09-25 05:45:12,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-25 05:45:12,615 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states.
[2020-09-25 05:45:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:45:12,643 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions.
[2020-09-25 05:45:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-09-25 05:45:12,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12
[2020-09-25 05:45:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:45:12,656 INFO L225 Difference]: With dead ends: 50
[2020-09-25 05:45:12,656 INFO L226 Difference]: Without dead ends: 30
[2020-09-25 05:45:12,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-25 05:45:12,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2020-09-25 05:45:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2020-09-25 05:45:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2020-09-25 05:45:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions.
[2020-09-25 05:45:12,706 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 12
[2020-09-25 05:45:12,706 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:45:12,706 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions.
[2020-09-25 05:45:12,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-09-25 05:45:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions.
[2020-09-25 05:45:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-09-25 05:45:12,708 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:45:12,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:45:12,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:45:12,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:45:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:45:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1309792647, now seen corresponding path program 1 times
[2020-09-25 05:45:12,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:45:12,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739603326]
[2020-09-25 05:45:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:45:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:12,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:12,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23
[2020-09-25 05:45:12,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71
[2020-09-25 05:45:12,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:12,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:12,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:45:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 05:45:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 05:45:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:12,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:45:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:12,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:12,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:45:12,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:45:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:12,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:45:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:45:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:45:12,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:12,896 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 05:45:12,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739603326]
[2020-09-25 05:45:12,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:45:12,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:45:12,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207235308]
[2020-09-25 05:45:12,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:45:12,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:45:12,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:45:12,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:45:12,901 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 3 states.
[2020-09-25 05:45:12,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:45:12,932 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions.
[2020-09-25 05:45:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 05:45:12,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14
[2020-09-25 05:45:12,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:45:12,934 INFO L225 Difference]: With dead ends: 54
[2020-09-25 05:45:12,934 INFO L226 Difference]: Without dead ends: 47
[2020-09-25 05:45:12,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:45:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2020-09-25 05:45:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32.
[2020-09-25 05:45:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2020-09-25 05:45:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions.
[2020-09-25 05:45:12,944 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 14
[2020-09-25 05:45:12,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:45:12,944 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions.
[2020-09-25 05:45:12,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:45:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions.
[2020-09-25 05:45:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-09-25 05:45:12,946 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:45:12,946 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:45:12,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:45:12,947 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:45:12,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:45:12,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1704587139, now seen corresponding path program 1 times
[2020-09-25 05:45:12,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:45:12,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749514268]
[2020-09-25 05:45:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:45:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:13,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:13,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 05:45:13,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:13,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304
[2020-09-25 05:45:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:13,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:45:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 05:45:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 05:45:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:45:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:45:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:45:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:13,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:45:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:45:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:45:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:45:13,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749514268]
[2020-09-25 05:45:13,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:45:13,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 05:45:13,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293428812]
[2020-09-25 05:45:13,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 05:45:13,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:45:13,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 05:45:13,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 05:45:13,763 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 6 states.
[2020-09-25 05:45:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:45:20,210 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions.
[2020-09-25 05:45:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 05:45:20,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20
[2020-09-25 05:45:20,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:45:20,212 INFO L225 Difference]: With dead ends: 74
[2020-09-25 05:45:20,212 INFO L226 Difference]: Without dead ends: 43
[2020-09-25 05:45:20,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:45:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2020-09-25 05:45:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37.
[2020-09-25 05:45:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2020-09-25 05:45:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions.
[2020-09-25 05:45:20,221 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 20
[2020-09-25 05:45:20,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:45:20,222 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions.
[2020-09-25 05:45:20,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 05:45:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions.
[2020-09-25 05:45:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-09-25 05:45:20,223 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:45:20,223 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:45:20,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:45:20,224 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:45:20,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:45:20,224 INFO L82 PathProgramCache]: Analyzing trace with hash -110349398, now seen corresponding path program 1 times
[2020-09-25 05:45:20,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:45:20,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289003523]
[2020-09-25 05:45:20,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:45:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:20,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:20,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30
[2020-09-25 05:45:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258
[2020-09-25 05:45:20,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:20,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 05:45:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 05:45:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 05:45:20,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:20,771 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18
[2020-09-25 05:45:20,951 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 17
[2020-09-25 05:45:20,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:45:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:45:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:45:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:45:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:45:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:45:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:45:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:45:20,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:45:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:45:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:45:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:45:20,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:45:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:45:20,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289003523]
[2020-09-25 05:45:20,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:45:20,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 05:45:20,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359290847]
[2020-09-25 05:45:20,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 05:45:20,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:45:20,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 05:45:20,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 05:45:20,987 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 6 states.
[2020-09-25 05:45:27,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:45:27,340 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions.
[2020-09-25 05:45:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 05:45:27,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21
[2020-09-25 05:45:27,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:45:27,341 INFO L225 Difference]: With dead ends: 75
[2020-09-25 05:45:27,342 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 05:45:27,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:45:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 05:45:27,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 05:45:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 05:45:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 05:45:27,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2020-09-25 05:45:27,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:45:27,344 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 05:45:27,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 05:45:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 05:45:27,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 05:45:27,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 05:45:27,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 05:45:27,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 05:45:27,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 05:45:27,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 05:45:27,465 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 05:45:27,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 05:45:27,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 05:45:27,466 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (= (let ((.cse0 (div main_~x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ main_~x~0 .cse2) 3))) (+ (* .cse0 4294967296) (* .cse1 3) (* (div (+ main_~x~0 .cse2 (* .cse1 (- 3))) 4294967296) 4294967296))))) main_~x~0)
[2020-09-25 05:45:27,466 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed.
[2020-09-25 05:45:27,466 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-25 05:45:27,466 INFO L268 CegarLoopResult]: For program point L23-1(lines 23 26) no Hoare annotation was computed.
[2020-09-25 05:45:27,466 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-25 05:45:27,467 INFO L268 CegarLoopResult]: For program point L23-2(line 23) no Hoare annotation was computed.
[2020-09-25 05:45:27,467 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-25 05:45:27,467 INFO L268 CegarLoopResult]: For program point L23-4(line 23) no Hoare annotation was computed.
[2020-09-25 05:45:27,467 INFO L264 CegarLoopResult]: At program point L23-5(lines 16 29) the Hoare annotation is: (or (= (let ((.cse0 (div main_~x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ main_~x~0 .cse2) 3))) (+ (* .cse0 4294967296) (* .cse1 3) (* (div (+ main_~x~0 .cse2 (* .cse1 (- 3))) 4294967296) 4294967296))))) main_~x~0) (and (<= (div main_~y~0 4294967296) 0) (<= 1 main_~y~0)))
[2020-09-25 05:45:27,467 INFO L268 CegarLoopResult]: For program point L17(lines 17 28) no Hoare annotation was computed.
[2020-09-25 05:45:27,467 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 33) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 05:45:27,468 INFO L268 CegarLoopResult]: For program point L20(lines 20 27) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L16-1(lines 16 29) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed.
[2020-09-25 05:45:27,469 INFO L268 CegarLoopResult]: For program point L16-4(line 16) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point L16-5(lines 12 33) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point L7(lines 7 8) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 10) no Hoare annotation was computed.
[2020-09-25 05:45:27,470 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-09-25 05:45:27,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:45:27 BoogieIcfgContainer
[2020-09-25 05:45:27,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:45:27,495 INFO L168 Benchmark]: Toolchain (without parser) took 16143.84 ms. Allocated memory was 147.3 MB in the beginning and 243.3 MB in the end (delta: 95.9 MB). Free memory was 101.9 MB in the beginning and 186.5 MB in the end (delta: -84.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,496 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.62 ms. Allocated memory is still 147.3 MB. Free memory was 101.3 MB in the beginning and 91.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,498 INFO L168 Benchmark]: Boogie Preprocessor took 128.78 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 91.8 MB in the beginning and 182.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,499 INFO L168 Benchmark]: RCFGBuilder took 331.19 ms. Allocated memory is still 203.9 MB. Free memory was 182.1 MB in the beginning and 169.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,500 INFO L168 Benchmark]: TraceAbstraction took 15370.23 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 168.6 MB in the beginning and 186.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
[2020-09-25 05:45:27,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 303.62 ms. Allocated memory is still 147.3 MB. Free memory was 101.3 MB in the beginning and 91.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 128.78 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 91.8 MB in the beginning and 182.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 331.19 ms. Allocated memory is still 203.9 MB. Free memory was 182.1 MB in the beginning and 169.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 15370.23 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 168.6 MB in the beginning and 186.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: x / 4294967296 * 4294967296 + (x + x / 4294967296 * -4294967296) / 3 * 3 + (x + x / 4294967296 * -4294967296 + (x + x / 4294967296 * -4294967296) / 3 * -3) / 4294967296 * 4294967296 == x || (y / 4294967296 <= 0 && 1 <= y)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 35 SDslu, 275 SDs, 0 SdLazy, 81 SolverSat, 8 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 97 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 83 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 13477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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 correct!
Received shutdown request...