/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=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test14.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:58:17,461 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:58:17,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:58:17,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:58:17,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:58:17,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:58:17,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:58:17,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:58:17,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:58:17,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:58:17,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:58:17,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:58:17,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:58:17,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:58:17,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:58:17,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:58:17,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:58:17,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:58:17,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:58:17,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:58:17,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:58:17,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:58:17,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:58:17,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:58:17,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:58:17,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:58:17,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:58:17,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:58:17,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:58:17,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:58:17,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:58:17,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:58:17,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:58:17,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:58:17,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:58:17,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:58:17,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:58:17,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:58:17,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:58:17,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:58:17,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:58:17,553 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 08:58:17,597 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 08:58:17,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:58:17,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:58:17,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 08:58:17,600 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 08:58:17,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:58:17,601 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 08:58:17,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 08:58:17,601 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 08:58:17,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 08:58:17,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:58:17,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:58:17,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:58:17,603 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 08:58:17,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 08:58:17,604 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 08:58:17,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:58:17,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:58:17,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 08:58:17,605 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 08:58:17,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 08:58:17,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:58:17,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:58:17,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:58:17,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:58:17,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 08:58:17,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:58:17,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:58:17,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 08:58:17,607 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true;
[2020-09-25 08:58:18,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:58:18,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:58:18,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:58:18,079 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 08:58:18,080 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 08:58:18,081 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test14.c
[2020-09-25 08:58:18,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65d1ebbf2/85f9a4c21d6b4a339f3f60f5dcdbc908/FLAGaf691dc73
[2020-09-25 08:58:18,706 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 08:58:18,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test14.c
[2020-09-25 08:58:18,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65d1ebbf2/85f9a4c21d6b4a339f3f60f5dcdbc908/FLAGaf691dc73
[2020-09-25 08:58:19,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65d1ebbf2/85f9a4c21d6b4a339f3f60f5dcdbc908
[2020-09-25 08:58:19,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:58:19,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:58:19,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:58:19,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:58:19,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:58:19,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ab055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19, skipping insertion in model container
[2020-09-25 08:58:19,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 08:58:19,109 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:58:19,326 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:58:19,340 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 08:58:19,362 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:58:19,381 INFO L208 MainTranslator]: Completed translation
[2020-09-25 08:58:19,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19 WrapperNode
[2020-09-25 08:58:19,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:58:19,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:58:19,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:58:19,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:58:19,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (1/1) ...
[2020-09-25 08:58:19,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:58:19,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:58:19,501 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:58:19,501 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:58:19,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (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 08:58:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:58:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:58:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy
[2020-09-25 08:58:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:58:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:58:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 08:58:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:58:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:58:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:58:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:58:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:58:19,940 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:58:19,940 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 08:58:19,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:19 BoogieIcfgContainer
[2020-09-25 08:58:19,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:58:19,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:58:19,947 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:58:19,951 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:58:19,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:58:19" (1/3) ...
[2020-09-25 08:58:19,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30262ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:19, skipping insertion in model container
[2020-09-25 08:58:19,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:19" (2/3) ...
[2020-09-25 08:58:19,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30262ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:19, skipping insertion in model container
[2020-09-25 08:58:19,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:19" (3/3) ...
[2020-09-25 08:58:19,955 INFO L109 eAbstractionObserver]: Analyzing ICFG test14.c
[2020-09-25 08:58:19,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:58:19,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 08:58:19,997 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 08:58:20,029 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:58:20,029 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 08:58:20,029 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:58:20,030 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:58:20,030 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:58:20,030 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 08:58:20,030 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:58:20,030 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:58:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states.
[2020-09-25 08:58:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-25 08:58:20,064 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:20,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:58:20,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:20,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:20,073 INFO L82 PathProgramCache]: Analyzing trace with hash 465652526, now seen corresponding path program 1 times
[2020-09-25 08:58:20,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:20,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098201176]
[2020-09-25 08:58:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:20,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:20,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:20,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 08:58:20,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:58:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627
[2020-09-25 08:58:20,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:20,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 08:58:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 08:58:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 08:58:20,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 08:58:21,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 08:58:21,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23
[2020-09-25 08:58:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:21,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 08:58:21,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 08:58:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:21,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 08:58:21,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:21,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31
[2020-09-25 08:58:21,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:21,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:21,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:58:21,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:21,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9
[2020-09-25 08:58:21,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 08:58:21,145 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 08:58:21,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098201176]
[2020-09-25 08:58:21,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:21,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 08:58:21,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419882288]
[2020-09-25 08:58:21,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 08:58:21,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 08:58:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 08:58:21,177 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 6 states.
[2020-09-25 08:58:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:21,463 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions.
[2020-09-25 08:58:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 08:58:21,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43
[2020-09-25 08:58:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:21,478 INFO L225 Difference]: With dead ends: 83
[2020-09-25 08:58:21,478 INFO L226 Difference]: Without dead ends: 51
[2020-09-25 08:58:21,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-09-25 08:58:21,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2020-09-25 08:58:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2020-09-25 08:58:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states.
[2020-09-25 08:58:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions.
[2020-09-25 08:58:21,536 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 43
[2020-09-25 08:58:21,537 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:21,537 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions.
[2020-09-25 08:58:21,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 08:58:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions.
[2020-09-25 08:58:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-09-25 08:58:21,539 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:21,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:58:21,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:58:21,540 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:21,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:21,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1782210472, now seen corresponding path program 1 times
[2020-09-25 08:58:21,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:21,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602507563]
[2020-09-25 08:58:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:21,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-25 08:58:21,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:58:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280
[2020-09-25 08:58:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:21,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 08:58:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 08:58:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 08:58:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:21,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 08:58:21,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 08:58:21,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:21,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:21,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 08:58:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:21,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:21,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 08:58:21,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 08:58:21,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:21,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:21,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:21,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:21,935 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 08:58:21,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602507563]
[2020-09-25 08:58:21,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:21,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 08:58:21,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691730688]
[2020-09-25 08:58:21,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 08:58:21,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:21,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 08:58:21,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 08:58:21,939 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 5 states.
[2020-09-25 08:58:22,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:22,046 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions.
[2020-09-25 08:58:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 08:58:22,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46
[2020-09-25 08:58:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:22,048 INFO L225 Difference]: With dead ends: 59
[2020-09-25 08:58:22,048 INFO L226 Difference]: Without dead ends: 51
[2020-09-25 08:58:22,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 08:58:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2020-09-25 08:58:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2020-09-25 08:58:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states.
[2020-09-25 08:58:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions.
[2020-09-25 08:58:22,058 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 46
[2020-09-25 08:58:22,059 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:22,059 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions.
[2020-09-25 08:58:22,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 08:58:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions.
[2020-09-25 08:58:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-09-25 08:58:22,061 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:22,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:58:22,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:58:22,062 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:22,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1590234488, now seen corresponding path program 1 times
[2020-09-25 08:58:22,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:22,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777518753]
[2020-09-25 08:58:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:22,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:22,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:22,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58
[2020-09-25 08:58:22,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:58:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399
[2020-09-25 08:58:22,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:22,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 08:58:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 08:58:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 08:58:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:22,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:22,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:22,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:22,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15
[2020-09-25 08:58:22,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 08:58:22,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:22,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:22,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-25 08:58:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:22,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 08:58:22,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-25 08:58:22,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:22,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:22,595 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 08:58:22,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777518753]
[2020-09-25 08:58:22,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:22,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 08:58:22,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680088964]
[2020-09-25 08:58:22,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 08:58:22,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:22,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 08:58:22,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-25 08:58:22,598 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 8 states.
[2020-09-25 08:58:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:22,793 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions.
[2020-09-25 08:58:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 08:58:22,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49
[2020-09-25 08:58:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:22,794 INFO L225 Difference]: With dead ends: 51
[2020-09-25 08:58:22,795 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 08:58:22,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2020-09-25 08:58:22,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 08:58:22,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 08:58:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 08:58:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 08:58:22,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49
[2020-09-25 08:58:22,800 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:22,800 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 08:58:22,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 08:58:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 08:58:22,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 08:58:22,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:58:22,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 08:58:22,937 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-25 08:58:22,938 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-25 08:58:22,938 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 5) no Hoare annotation was computed.
[2020-09-25 08:58:22,939 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#b~0.offset| |old(~#b~0.offset)|) (= |old(#length)| |#length|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-25 08:58:22,939 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-25 08:58:22,939 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed.
[2020-09-25 08:58:22,939 INFO L268 CegarLoopResult]: For program point L5-2(line 5) no Hoare annotation was computed.
[2020-09-25 08:58:22,939 INFO L268 CegarLoopResult]: For program point L5-3(line 5) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point get_dummyFINAL(lines 7 10) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L271 CegarLoopResult]: At program point get_dummyENTRY(lines 7 10) the Hoare annotation is: true
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point L9-3(line 9) no Hoare annotation was computed.
[2020-09-25 08:58:22,940 INFO L268 CegarLoopResult]: For program point L9-4(line 9) no Hoare annotation was computed.
[2020-09-25 08:58:22,941 INFO L268 CegarLoopResult]: For program point L9-5(line 9) no Hoare annotation was computed.
[2020-09-25 08:58:22,941 INFO L268 CegarLoopResult]: For program point get_dummyEXIT(lines 7 10) no Hoare annotation was computed.
[2020-09-25 08:58:22,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 08:58:22,941 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 08:58:22,941 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 08:58:22,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 08:58:22,941 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 27) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,942 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 08:58:22,943 INFO L268 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,943 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-25 08:58:22,943 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed.
[2020-09-25 08:58:22,943 INFO L268 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,943 INFO L268 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L268 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L268 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L268 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L268 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L268 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,944 INFO L264 CegarLoopResult]: At program point L20(lines 12 27) the Hoare annotation is: false
[2020-09-25 08:58:22,945 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 08:58:22,945 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed.
[2020-09-25 08:58:22,945 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed.
[2020-09-25 08:58:22,946 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (or (<= (+ main_~pc~0.base 1) 0) (<= 1 main_~pc~0.base)) (or (<= (+ |main_~#c~0.base| 1) 0) (< 0 |main_~#c~0.base|)))
[2020-09-25 08:58:22,946 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L17-3(line 17) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 27) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,947 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,948 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,948 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,948 INFO L268 CegarLoopResult]: For program point L13-6(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,948 INFO L268 CegarLoopResult]: For program point L13-7(line 13) no Hoare annotation was computed.
[2020-09-25 08:58:22,948 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed.
[2020-09-25 08:58:22,949 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 27) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2020-09-25 08:58:22,949 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 08:58:22,949 INFO L268 CegarLoopResult]: For program point L18(lines 18 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,949 INFO L268 CegarLoopResult]: For program point L18-1(lines 18 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,949 INFO L268 CegarLoopResult]: For program point L18-3(lines 18 21) no Hoare annotation was computed.
[2020-09-25 08:58:22,949 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 08:58:22,950 INFO L268 CegarLoopResult]: For program point L18-4(lines 18 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,950 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed.
[2020-09-25 08:58:22,950 INFO L268 CegarLoopResult]: For program point L18-5(lines 18 19) no Hoare annotation was computed.
[2020-09-25 08:58:22,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:58:22 BoogieIcfgContainer
[2020-09-25 08:58:22,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:58:22,977 INFO L168 Benchmark]: Toolchain (without parser) took 3917.05 ms. Allocated memory was 140.5 MB in the beginning and 244.8 MB in the end (delta: 104.3 MB). Free memory was 103.6 MB in the beginning and 155.8 MB in the end (delta: -52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB.
[2020-09-25 08:58:22,978 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 08:58:22,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.84 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 93.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2020-09-25 08:58:22,982 INFO L168 Benchmark]: Boogie Preprocessor took 118.13 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.2 MB in the beginning and 180.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 08:58:22,985 INFO L168 Benchmark]: RCFGBuilder took 445.36 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 161.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
[2020-09-25 08:58:22,993 INFO L168 Benchmark]: TraceAbstraction took 3021.17 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 161.3 MB in the beginning and 155.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB.
[2020-09-25 08:58:23,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 322.84 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 93.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 118.13 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.2 MB in the beginning and 180.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 445.36 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 161.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3021.17 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 161.3 MB in the beginning and 155.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 25]: 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: 12]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 113 SDslu, 265 SDs, 0 SdLazy, 273 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 55 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 17745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...