/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-177f698
[2020-08-21 17:28:36,077 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-21 17:28:36,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 17:28:36,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 17:28:36,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 17:28:36,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 17:28:36,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 17:28:36,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 17:28:36,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 17:28:36,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 17:28:36,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 17:28:36,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 17:28:36,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 17:28:36,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 17:28:36,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 17:28:36,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 17:28:36,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 17:28:36,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 17:28:36,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 17:28:36,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 17:28:36,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 17:28:36,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 17:28:36,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 17:28:36,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 17:28:36,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 17:28:36,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 17:28:36,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 17:28:36,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 17:28:36,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 17:28:36,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 17:28:36,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 17:28:36,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 17:28:36,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 17:28:36,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 17:28:36,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 17:28:36,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 17:28:36,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 17:28:36,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 17:28:36,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 17:28:36,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 17:28:36,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 17:28:36,137 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
[2020-08-21 17:28:36,159 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-21 17:28:36,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 17:28:36,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 17:28:36,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-08-21 17:28:36,162 INFO L138 SettingsManager]: * Use SBE=true
[2020-08-21 17:28:36,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 17:28:36,163 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-21 17:28:36,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-21 17:28:36,163 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-21 17:28:36,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-21 17:28:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 17:28:36,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 17:28:36,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 17:28:36,165 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-21 17:28:36,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-21 17:28:36,166 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-21 17:28:36,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-21 17:28:36,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 17:28:36,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-08-21 17:28:36,167 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-21 17:28:36,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-21 17:28:36,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 17:28:36,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 17:28:36,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 17:28:36,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 17:28:36,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-08-21 17:28:36,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 17:28:36,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 17:28:36,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-08-21 17:28:36,170 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.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
[2020-08-21 17:28:36,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 17:28:36,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 17:28:36,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 17:28:36,517 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-21 17:28:36,518 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-21 17:28:36,519 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2020-08-21 17:28:36,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f86bca34d/8f175efc875d44428c43be80c5ee89c5/FLAGcc7a00484
[2020-08-21 17:28:37,055 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-21 17:28:37,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-lit/jm2006_variant.i
[2020-08-21 17:28:37,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f86bca34d/8f175efc875d44428c43be80c5ee89c5/FLAGcc7a00484
[2020-08-21 17:28:37,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f86bca34d/8f175efc875d44428c43be80c5ee89c5
[2020-08-21 17:28:37,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 17:28:37,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 17:28:37,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 17:28:37,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 17:28:37,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 17:28:37,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb34a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37, skipping insertion in model container
[2020-08-21 17:28:37,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-21 17:28:37,498 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-21 17:28:37,657 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-21 17:28:37,661 INFO L203 MainTranslator]: Completed pre-run
[2020-08-21 17:28:37,676 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-21 17:28:37,688 INFO L208 MainTranslator]: Completed translation
[2020-08-21 17:28:37,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37 WrapperNode
[2020-08-21 17:28:37,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 17:28:37,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 17:28:37,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 17:28:37,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 17:28:37,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (1/1) ...
[2020-08-21 17:28:37,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 17:28:37,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 17:28:37,796 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 17:28:37,796 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-21 17:28:37,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (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
[2020-08-21 17:28:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 17:28:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 17:28:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-08-21 17:28:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-08-21 17:28:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 17:28:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 17:28:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-08-21 17:28:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-08-21 17:28:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-08-21 17:28:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 17:28:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-21 17:28:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 17:28:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 17:28:38,072 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 17:28:38,072 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-08-21 17:28:38,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:28:38 BoogieIcfgContainer
[2020-08-21 17:28:38,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 17:28:38,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 17:28:38,078 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 17:28:38,081 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-21 17:28:38,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:28:37" (1/3) ...
[2020-08-21 17:28:38,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c49329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:28:38, skipping insertion in model container
[2020-08-21 17:28:38,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:28:37" (2/3) ...
[2020-08-21 17:28:38,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c49329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:28:38, skipping insertion in model container
[2020-08-21 17:28:38,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:28:38" (3/3) ...
[2020-08-21 17:28:38,085 INFO L109 eAbstractionObserver]: Analyzing ICFG jm2006_variant.i
[2020-08-21 17:28:38,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 17:28:38,104 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 17:28:38,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 17:28:38,157 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-21 17:28:38,157 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-21 17:28:38,158 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 17:28:38,158 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 17:28:38,158 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 17:28:38,158 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-21 17:28:38,159 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 17:28:38,159 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 17:28:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states.
[2020-08-21 17:28:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-08-21 17:28:38,189 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-21 17:28:38,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 17:28:38,190 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 17:28:38,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 17:28:38,197 INFO L82 PathProgramCache]: Analyzing trace with hash -362650722, now seen corresponding path program 1 times
[2020-08-21 17:28:38,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 17:28:38,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617597911]
[2020-08-21 17:28:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 17:28:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:38,601 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17
[2020-08-21 17:28:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 17:28:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 17:28:38,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617597911]
[2020-08-21 17:28:38,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 17:28:38,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-21 17:28:38,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899150346]
[2020-08-21 17:28:38,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-21 17:28:38,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 17:28:38,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-21 17:28:38,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-08-21 17:28:38,771 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 7 states.
[2020-08-21 17:28:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 17:28:38,949 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions.
[2020-08-21 17:28:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-08-21 17:28:38,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13
[2020-08-21 17:28:38,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 17:28:38,960 INFO L225 Difference]: With dead ends: 47
[2020-08-21 17:28:38,960 INFO L226 Difference]: Without dead ends: 15
[2020-08-21 17:28:38,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2020-08-21 17:28:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2020-08-21 17:28:38,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2020-08-21 17:28:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2020-08-21 17:28:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2020-08-21 17:28:39,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13
[2020-08-21 17:28:39,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-21 17:28:39,003 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2020-08-21 17:28:39,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-21 17:28:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2020-08-21 17:28:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-08-21 17:28:39,005 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-21 17:28:39,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 17:28:39,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 17:28:39,006 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 17:28:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 17:28:39,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1126137131, now seen corresponding path program 1 times
[2020-08-21 17:28:39,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 17:28:39,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774430072]
[2020-08-21 17:28:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 17:28:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 17:28:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 17:28:39,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774430072]
[2020-08-21 17:28:39,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 17:28:39,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2020-08-21 17:28:39,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716622862]
[2020-08-21 17:28:39,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 17:28:39,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 17:28:39,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 17:28:39,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-08-21 17:28:39,199 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states.
[2020-08-21 17:28:39,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 17:28:39,288 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions.
[2020-08-21 17:28:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-08-21 17:28:39,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14
[2020-08-21 17:28:39,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 17:28:39,290 INFO L225 Difference]: With dead ends: 22
[2020-08-21 17:28:39,290 INFO L226 Difference]: Without dead ends: 16
[2020-08-21 17:28:39,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-08-21 17:28:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2020-08-21 17:28:39,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2020-08-21 17:28:39,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2020-08-21 17:28:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2020-08-21 17:28:39,297 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14
[2020-08-21 17:28:39,297 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-21 17:28:39,297 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2020-08-21 17:28:39,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 17:28:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2020-08-21 17:28:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-08-21 17:28:39,298 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-21 17:28:39,298 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 17:28:39,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 17:28:39,299 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 17:28:39,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 17:28:39,299 INFO L82 PathProgramCache]: Analyzing trace with hash 975587966, now seen corresponding path program 2 times
[2020-08-21 17:28:39,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 17:28:39,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796864110]
[2020-08-21 17:28:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 17:28:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 17:28:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 17:28:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 17:28:39,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796864110]
[2020-08-21 17:28:39,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-21 17:28:39,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2020-08-21 17:28:39,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334302055]
[2020-08-21 17:28:39,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 17:28:39,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 17:28:39,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 17:28:39,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2020-08-21 17:28:39,526 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states.
[2020-08-21 17:28:39,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 17:28:39,615 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions.
[2020-08-21 17:28:39,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-08-21 17:28:39,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15
[2020-08-21 17:28:39,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 17:28:39,616 INFO L225 Difference]: With dead ends: 16
[2020-08-21 17:28:39,616 INFO L226 Difference]: Without dead ends: 0
[2020-08-21 17:28:39,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2020-08-21 17:28:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 17:28:39,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 17:28:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 17:28:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 17:28:39,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2020-08-21 17:28:39,618 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-21 17:28:39,619 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 17:28:39,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 17:28:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 17:28:39,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 17:28:39,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 17:28:39,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 17:28:39,675 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-08-21 17:28:39,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-08-21 17:28:39,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-08-21 17:28:39,676 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-08-21 17:28:39,676 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-08-21 17:28:39,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-08-21 17:28:39,676 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-08-21 17:28:39,676 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point L27(lines 27 29) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 31) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 31) no Hoare annotation was computed.
[2020-08-21 17:28:39,677 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 31) the Hoare annotation is: true
[2020-08-21 17:28:39,678 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (= (+ main_~y~0 main_~z~0) 0)
[2020-08-21 17:28:39,678 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (let ((.cse1 (+ main_~x~0 main_~j~0)) (.cse0 (+ main_~i~0 main_~y~0 main_~z~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0)))
[2020-08-21 17:28:39,678 INFO L268 CegarLoopResult]: For program point L22-3(lines 13 31) no Hoare annotation was computed.
[2020-08-21 17:28:39,678 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-08-21 17:28:39,679 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-08-21 17:28:39,679 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed.
[2020-08-21 17:28:39,679 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-08-21 17:28:39,679 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2020-08-21 17:28:39,679 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed.
[2020-08-21 17:28:39,679 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-08-21 17:28:39,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:28:39 BoogieIcfgContainer
[2020-08-21 17:28:39,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 17:28:39,700 INFO L168 Benchmark]: Toolchain (without parser) took 2241.97 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 103.0 MB in the beginning and 155.5 MB in the end (delta: -52.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,701 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.38 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 93.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,703 INFO L168 Benchmark]: Boogie Preprocessor took 105.91 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 93.1 MB in the beginning and 180.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,704 INFO L168 Benchmark]: RCFGBuilder took 280.28 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 166.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,705 INFO L168 Benchmark]: TraceAbstraction took 1620.21 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 155.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB.
[2020-08-21 17:28:39,709 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 230.38 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 93.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 105.91 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 93.1 MB in the beginning and 180.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 280.28 ms. Allocated memory is still 201.9 MB. Free memory was 180.3 MB in the beginning and 166.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1620.21 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 155.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 44.6 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: 22]: Loop Invariant
Derived loop invariant: i + y + z <= x + j && x + j <= i + y + z
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 25 SDslu, 152 SDs, 0 SdLazy, 104 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 10 PreInvPairs, 15 NumberOfFragments, 27 HoareAnnotationTreeSize, 10 FomulaSimplifications, 73 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 3526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...