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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loop-lit/css2003.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:06:27,026 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:06:27,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:06:27,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:06:27,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:06:27,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:06:27,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 21:06:27,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 21:06:27,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 21:06:27,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 21:06:27,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-13 21:06:27,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-10-13 21:06:27,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 21:06:27,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:06:27,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:06:27,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 21:06:27,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 21:06:27,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:06:27,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:06:27,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:06:27,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 21:06:27,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-13 21:06:27,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-10-13 21:06:27,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 21:06:27,111 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 21:06:27,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:06:27,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:06:27,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 21:06:27,113 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 21:06:27,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:06:27,114 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 21:06:27,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 21:06:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 21:06:27,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 21:06:27,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:06:27,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:06:27,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:06:27,118 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 21:06:27,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 21:06:27,119 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 21:06:27,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:06:27,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:06:27,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 21:06:27,119 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 21:06:27,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 21:06:27,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:06:27,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:06:27,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:06:27,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:06:27,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 21:06:27,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:06:27,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:06:27,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 21:06:27,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:06:27,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:06:27,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:06:27,451 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 21:06:27,451 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 21:06:27,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i
[2019-10-13 21:06:27,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437611150/9364bd7885a140dc8c12a5c83b7b1bc7/FLAGd7d40576b
[2019-10-13 21:06:28,011 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 21:06:28,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i
[2019-10-13 21:06:28,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437611150/9364bd7885a140dc8c12a5c83b7b1bc7/FLAGd7d40576b
[2019-10-13 21:06:28,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437611150/9364bd7885a140dc8c12a5c83b7b1bc7
[2019-10-13 21:06:28,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:06:28,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:06:28,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:06:28,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:06:28,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:06:28,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a2d00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28, skipping insertion in model container
[2019-10-13 21:06:28,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,436 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 21:06:28,457 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:06:28,677 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:06:28,682 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 21:06:28,705 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:06:28,720 INFO L192 MainTranslator]: Completed translation
[2019-10-13 21:06:28,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28 WrapperNode
[2019-10-13 21:06:28,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:06:28,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:06:28,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:06:28,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:06:28,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
[2019-10-13 21:06:28,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:06:28,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:06:28,828 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:06:28,828 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:06:28,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2019-10-13 21:06:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:06:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:06:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-13 21:06:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:06:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:06:29,037 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:06:29,037 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-13 21:06:29,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:06:29 BoogieIcfgContainer
[2019-10-13 21:06:29,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:06:29,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:06:29,040 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:06:29,043 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:06:29,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:06:28" (1/3) ...
[2019-10-13 21:06:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ce3fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:06:29, skipping insertion in model container
[2019-10-13 21:06:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:06:28" (2/3) ...
[2019-10-13 21:06:29,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ce3fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:06:29, skipping insertion in model container
[2019-10-13 21:06:29,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:06:29" (3/3) ...
[2019-10-13 21:06:29,047 INFO L109 eAbstractionObserver]: Analyzing ICFG css2003.i
[2019-10-13 21:06:29,057 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:06:29,065 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 21:06:29,076 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 21:06:29,103 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:06:29,103 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 21:06:29,104 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:06:29,104 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:06:29,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:06:29,105 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 21:06:29,105 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:06:29,105 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:06:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states.
[2019-10-13 21:06:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2019-10-13 21:06:29,137 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:06:29,138 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:06:29,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:06:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:06:29,144 INFO L82 PathProgramCache]: Analyzing trace with hash 576882593, now seen corresponding path program 1 times
[2019-10-13 21:06:29,151 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:06:29,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267781443]
[2019-10-13 21:06:29,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:29,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:06:29,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:06:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:06:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:06:29,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267781443]
[2019-10-13 21:06:29,478 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:06:29,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:06:29,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172075264]
[2019-10-13 21:06:29,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:06:29,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:06:29,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:06:29,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:06:29,528 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 7 states.
[2019-10-13 21:06:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:06:29,667 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions.
[2019-10-13 21:06:29,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2019-10-13 21:06:29,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11
[2019-10-13 21:06:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:06:29,680 INFO L225 Difference]: With dead ends: 33
[2019-10-13 21:06:29,680 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 21:06:29,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2019-10-13 21:06:29,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:06:29,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:06:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:06:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:06:29,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2019-10-13 21:06:29,715 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:06:29,715 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:06:29,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:06:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:06:29,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:06:29,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:06:29,848 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2019-10-13 21:06:29,849 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:06:29,849 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:06:29,849 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2019-10-13 21:06:29,850 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 21:06:29,850 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:06:29,850 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 23) the Hoare annotation is: true
[2019-10-13 21:06:29,851 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 23) no Hoare annotation was computed.
[2019-10-13 21:06:29,851 INFO L439 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 2 main_~i~0) (<= 1 .cse0)))
[2019-10-13 21:06:29,852 INFO L439 ceAbstractionStarter]: At program point L20-1(lines 16 21) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~k~0))) (and (<= .cse0 2) (<= 1 main_~i~0) (<= 1 .cse0)))
[2019-10-13 21:06:29,853 INFO L443 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed.
[2019-10-13 21:06:29,853 INFO L443 ceAbstractionStarter]: For program point L16-2(lines 16 21) no Hoare annotation was computed.
[2019-10-13 21:06:29,853 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 23) no Hoare annotation was computed.
[2019-10-13 21:06:29,853 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2019-10-13 21:06:29,854 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2019-10-13 21:06:29,854 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2019-10-13 21:06:29,854 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed.
[2019-10-13 21:06:29,854 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2019-10-13 21:06:29,854 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2019-10-13 21:06:29,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:06:29 BoogieIcfgContainer
[2019-10-13 21:06:29,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:06:29,880 INFO L168 Benchmark]: Toolchain (without parser) took 1462.25 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 103.3 MB in the beginning and 127.7 MB in the end (delta: -24.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,881 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.1 MB in the beginning and 93.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,887 INFO L168 Benchmark]: Boogie Preprocessor took 105.52 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 179.2 MB in the end (delta: -85.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,888 INFO L168 Benchmark]: RCFGBuilder took 211.10 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 168.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,890 INFO L168 Benchmark]: TraceAbstraction took 836.20 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 127.7 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB.
[2019-10-13 21:06:29,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 303.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.1 MB in the beginning and 93.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 105.52 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 179.2 MB in the end (delta: -85.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 211.10 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 168.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 836.20 ms. Allocated memory is still 200.8 MB. Free memory was 168.2 MB in the beginning and 127.7 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: (i + k <= 2 && 1 <= i) && 1 <= i + k
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 15 SDtfs, 14 SDslu, 48 SDs, 0 SdLazy, 25 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 33 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...