/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 03:29:05,160 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 03:29:05,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 03:29:05,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 03:29:05,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 03:29:05,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 03:29:05,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 03:29:05,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 03:29:05,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 03:29:05,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 03:29:05,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 03:29:05,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 03:29:05,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 03:29:05,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 03:29:05,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 03:29:05,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 03:29:05,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 03:29:05,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 03:29:05,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 03:29:05,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 03:29:05,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 03:29:05,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 03:29:05,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 03:29:05,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 03:29:05,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 03:29:05,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 03:29:05,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 03:29:05,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 03:29:05,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 03:29:05,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 03:29:05,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 03:29:05,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 03:29:05,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 03:29:05,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 03:29:05,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 03:29:05,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 03:29:05,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 03:29:05,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 03:29:05,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 03:29:05,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 03:29:05,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 03:29:05,275 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 03:29:05,326 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 03:29:05,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 03:29:05,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 03:29:05,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 03:29:05,329 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 03:29:05,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 03:29:05,330 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 03:29:05,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 03:29:05,330 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 03:29:05,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 03:29:05,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 03:29:05,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 03:29:05,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 03:29:05,333 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 03:29:05,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 03:29:05,333 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 03:29:05,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 03:29:05,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 03:29:05,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 03:29:05,334 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 03:29:05,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 03:29:05,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 03:29:05,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 03:29:05,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 03:29:05,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 03:29:05,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 03:29:05,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 03:29:05,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 03:29:05,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 03:29:05,336 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true;
[2020-09-25 03:29:05,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 03:29:05,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 03:29:05,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 03:29:05,850 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 03:29:05,850 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 03:29:05,851 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c
[2020-09-25 03:29:05,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6af02a3b/45d1a4d05ec44d1ba1b1f451ef7b6d6d/FLAG4f76294e0
[2020-09-25 03:29:06,426 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 03:29:06,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/sumt2.c
[2020-09-25 03:29:06,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6af02a3b/45d1a4d05ec44d1ba1b1f451ef7b6d6d/FLAG4f76294e0
[2020-09-25 03:29:06,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6af02a3b/45d1a4d05ec44d1ba1b1f451ef7b6d6d
[2020-09-25 03:29:06,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 03:29:06,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 03:29:06,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 03:29:06,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 03:29:06,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 03:29:06,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:29:06" (1/1) ...
[2020-09-25 03:29:06,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f88baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:06, skipping insertion in model container
[2020-09-25 03:29:06,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:29:06" (1/1) ...
[2020-09-25 03:29:06,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 03:29:06,853 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 03:29:07,061 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 03:29:07,067 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 03:29:07,086 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 03:29:07,100 INFO L208 MainTranslator]: Completed translation
[2020-09-25 03:29:07,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07 WrapperNode
[2020-09-25 03:29:07,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 03:29:07,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 03:29:07,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 03:29:07,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 03:29:07,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (1/1) ...
[2020-09-25 03:29:07,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 03:29:07,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 03:29:07,231 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 03:29:07,231 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 03:29:07,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (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 03:29:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 03:29:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 03:29:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 03:29:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 03:29:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 03:29:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 03:29:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 03:29:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 03:29:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 03:29:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 03:29:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 03:29:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 03:29:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 03:29:07,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 03:29:07,573 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 03:29:07,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:29:07 BoogieIcfgContainer
[2020-09-25 03:29:07,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 03:29:07,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 03:29:07,580 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 03:29:07,584 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 03:29:07,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:29:06" (1/3) ...
[2020-09-25 03:29:07,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70522e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:29:07, skipping insertion in model container
[2020-09-25 03:29:07,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:29:07" (2/3) ...
[2020-09-25 03:29:07,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70522e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:29:07, skipping insertion in model container
[2020-09-25 03:29:07,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:29:07" (3/3) ...
[2020-09-25 03:29:07,588 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt2.c
[2020-09-25 03:29:07,600 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 03:29:07,610 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 03:29:07,633 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 03:29:07,665 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 03:29:07,666 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 03:29:07,666 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 03:29:07,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 03:29:07,667 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 03:29:07,667 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 03:29:07,667 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 03:29:07,667 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 03:29:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states.
[2020-09-25 03:29:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-09-25 03:29:07,699 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 03:29:07,700 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]
[2020-09-25 03:29:07,700 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 03:29:07,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 03:29:07,707 INFO L82 PathProgramCache]: Analyzing trace with hash 960346385, now seen corresponding path program 1 times
[2020-09-25 03:29:07,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 03:29:07,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950309035]
[2020-09-25 03:29:07,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 03:29:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:07,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:08,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:08,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30
[2020-09-25 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 03:29:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337
[2020-09-25 03:29:08,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 03:29:08,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 03:29:08,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8
[2020-09-25 03:29:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 03:29:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 03:29:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:29:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 03:29:08,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 03:29:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 03:29:08,464 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 03:29:08,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950309035]
[2020-09-25 03:29:08,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 03:29:08,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 03:29:08,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134911287]
[2020-09-25 03:29:08,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 03:29:08,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 03:29:08,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 03:29:08,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 03:29:08,497 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 8 states.
[2020-09-25 03:29:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 03:29:08,903 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions.
[2020-09-25 03:29:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 03:29:08,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21
[2020-09-25 03:29:08,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 03:29:08,916 INFO L225 Difference]: With dead ends: 62
[2020-09-25 03:29:08,917 INFO L226 Difference]: Without dead ends: 29
[2020-09-25 03:29:08,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182
[2020-09-25 03:29:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2020-09-25 03:29:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28.
[2020-09-25 03:29:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2020-09-25 03:29:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions.
[2020-09-25 03:29:08,971 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 21
[2020-09-25 03:29:08,972 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 03:29:08,972 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions.
[2020-09-25 03:29:08,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 03:29:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions.
[2020-09-25 03:29:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-09-25 03:29:08,973 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 03:29:08,974 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]
[2020-09-25 03:29:08,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 03:29:08,974 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 03:29:08,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 03:29:08,975 INFO L82 PathProgramCache]: Analyzing trace with hash 974616700, now seen corresponding path program 1 times
[2020-09-25 03:29:08,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 03:29:08,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539859680]
[2020-09-25 03:29:08,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 03:29:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:09,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:09,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34
[2020-09-25 03:29:09,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:29:09,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510
[2020-09-25 03:29:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 03:29:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 03:29:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13
[2020-09-25 03:29:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 03:29:09,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 03:29:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:09,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:09,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 03:29:09,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:29:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 03:29:09,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 03:29:09,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 03:29:09,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 03:29:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 03:29:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 03:29:09,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539859680]
[2020-09-25 03:29:09,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 03:29:09,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-09-25 03:29:09,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34639919]
[2020-09-25 03:29:09,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 03:29:09,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 03:29:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 03:29:09,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-09-25 03:29:09,743 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 10 states.
[2020-09-25 03:29:12,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 03:29:12,103 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions.
[2020-09-25 03:29:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 03:29:12,103 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25
[2020-09-25 03:29:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 03:29:12,105 INFO L225 Difference]: With dead ends: 38
[2020-09-25 03:29:12,105 INFO L226 Difference]: Without dead ends: 33
[2020-09-25 03:29:12,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272
[2020-09-25 03:29:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2020-09-25 03:29:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31.
[2020-09-25 03:29:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states.
[2020-09-25 03:29:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions.
[2020-09-25 03:29:12,114 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 25
[2020-09-25 03:29:12,114 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 03:29:12,115 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions.
[2020-09-25 03:29:12,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 03:29:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions.
[2020-09-25 03:29:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2020-09-25 03:29:12,116 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 03:29:12,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 03:29:12,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 03:29:12,117 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 03:29:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 03:29:12,118 INFO L82 PathProgramCache]: Analyzing trace with hash 928460148, now seen corresponding path program 2 times
[2020-09-25 03:29:12,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 03:29:12,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759285389]
[2020-09-25 03:29:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 03:29:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:12,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:12,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:12,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38
[2020-09-25 03:29:12,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 03:29:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513
[2020-09-25 03:29:12,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10
[2020-09-25 03:29:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 03:29:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17
[2020-09-25 03:29:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 03:29:12,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 03:29:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 03:29:12,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 03:29:12,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 03:29:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 03:29:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 03:29:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 03:29:12,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST
[2020-09-25 03:29:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 03:29:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 03:29:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 03:29:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 03:29:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-09-25 03:29:12,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759285389]
[2020-09-25 03:29:12,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 03:29:12,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-09-25 03:29:12,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628896206]
[2020-09-25 03:29:12,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 03:29:12,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 03:29:12,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 03:29:12,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2020-09-25 03:29:12,831 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 10 states.
[2020-09-25 03:29:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 03:29:13,068 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions.
[2020-09-25 03:29:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 03:29:13,068 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29
[2020-09-25 03:29:13,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 03:29:13,069 INFO L225 Difference]: With dead ends: 31
[2020-09-25 03:29:13,069 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 03:29:13,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272
[2020-09-25 03:29:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 03:29:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 03:29:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 03:29:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 03:29:13,071 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29
[2020-09-25 03:29:13,071 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 03:29:13,072 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 03:29:13,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 03:29:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 03:29:13,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 03:29:13,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 03:29:13,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 03:29:13,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 03:29:13,179 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|)
[2020-09-25 03:29:13,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 03:29:13,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 03:29:13,180 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 03:29:13,180 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 03:29:13,180 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-09-25 03:29:13,181 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed.
[2020-09-25 03:29:13,182 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 14 31) no Hoare annotation was computed.
[2020-09-25 03:29:13,182 INFO L268 CegarLoopResult]: For program point L23(lines 23 26) no Hoare annotation was computed.
[2020-09-25 03:29:13,182 INFO L268 CegarLoopResult]: For program point L23-2(lines 23 26) no Hoare annotation was computed.
[2020-09-25 03:29:13,182 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 03:29:13,183 INFO L264 CegarLoopResult]: At program point L21-2(lines 21 28) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= main_~l~0 .cse0) (<= .cse0 main_~l~0)))
[2020-09-25 03:29:13,184 INFO L264 CegarLoopResult]: At program point L21-3(lines 21 28) the Hoare annotation is: (let ((.cse2 (div (+ main_~i~0 main_~j~0) 4294967296)) (.cse3 (div main_~l~0 4294967296))) (let ((.cse1 (* 4294967296 .cse3)) (.cse0 (+ (* 4294967296 .cse2) main_~l~0))) (and (< .cse0 (+ main_~i~0 main_~j~0 .cse1 1)) (<= (+ main_~i~0 main_~j~0 .cse1) .cse0) (<= .cse2 .cse3))))
[2020-09-25 03:29:13,184 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 03:29:13,184 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-25 03:29:13,184 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 03:29:13,184 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-25 03:29:13,185 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed.
[2020-09-25 03:29:13,185 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 14 31) no Hoare annotation was computed.
[2020-09-25 03:29:13,185 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 31) the Hoare annotation is: true
[2020-09-25 03:29:13,185 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 03:29:13,186 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 03:29:13,186 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 03:29:13,186 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 03:29:13,186 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 03:29:13,186 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed.
[2020-09-25 03:29:13,187 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed.
[2020-09-25 03:29:13,190 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-09-25 03:29:13,190 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed.
[2020-09-25 03:29:13,190 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-25 03:29:13,190 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2020-09-25 03:29:13,191 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed.
[2020-09-25 03:29:13,192 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-09-25 03:29:13,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:29:13 BoogieIcfgContainer
[2020-09-25 03:29:13,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 03:29:13,229 INFO L168 Benchmark]: Toolchain (without parser) took 6419.57 ms. Allocated memory was 143.7 MB in the beginning and 245.9 MB in the end (delta: 102.2 MB). Free memory was 102.5 MB in the beginning and 100.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,230 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.09 ms. Allocated memory is still 143.7 MB. Free memory was 101.9 MB in the beginning and 92.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,234 INFO L168 Benchmark]: Boogie Preprocessor took 128.15 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 180.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,235 INFO L168 Benchmark]: RCFGBuilder took 348.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 165.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,242 INFO L168 Benchmark]: TraceAbstraction took 5638.58 ms. Allocated memory was 201.3 MB in the beginning and 245.9 MB in the end (delta: 44.6 MB). Free memory was 165.7 MB in the beginning and 100.2 MB in the end (delta: 65.5 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB.
[2020-09-25 03:29:13,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 296.09 ms. Allocated memory is still 143.7 MB. Free memory was 101.9 MB in the beginning and 92.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 128.15 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 92.4 MB in the beginning and 180.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 348.41 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 165.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5638.58 ms. Allocated memory was 201.3 MB in the beginning and 245.9 MB in the end (delta: 44.6 MB). Free memory was 165.7 MB in the beginning and 100.2 MB in the end (delta: 65.5 MB). Peak memory consumption was 110.0 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: 21]: Loop Invariant
Derived loop invariant: l <= i + j && i + j <= l
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 127 SDslu, 130 SDs, 0 SdLazy, 393 SolverSat, 26 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 65 HoareAnnotationTreeSize, 10 FomulaSimplifications, 125 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 95 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 13768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/7 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...