/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/nested9.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-3af5e1f
[2020-09-04 17:49:06,530 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 17:49:06,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 17:49:06,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 17:49:06,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 17:49:06,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 17:49:06,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-04 17:49:06,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-09-04 17:49:06,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-09-04 17:49:06,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-09-04 17:49:06,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-04 17:49:06,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-04 17:49:06,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-04 17:49:06,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-04 17:49:06,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-04 17:49:06,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-04 17:49:06,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-04 17:49:06,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-04 17:49:06,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-04 17:49:06,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-04 17:49:06,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-04 17:49:06,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-09-04 17:49:06,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-04 17:49:06,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-04 17:49:06,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-09-04 17:49:06,715 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 17:49:06,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 17:49:06,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 17:49:06,719 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 17:49:06,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 17:49:06,720 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 17:49:06,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 17:49:06,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 17:49:06,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 17:49:06,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 17:49:06,722 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 17:49:06,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 17:49:06,722 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 17:49:06,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 17:49:06,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 17:49:06,724 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-09-04 17:49:06,724 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 17:49:06,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 17:49:06,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 17:49:06,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 17:49:06,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-09-04 17:49:06,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 17:49:06,726 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-09-04 17:49:07,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 17:49:07,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 17:49:07,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 17:49:07,212 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 17:49:07,213 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 17:49:07,214 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested9.i
[2020-09-04 17:49:07,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5778d47/d712d04ca3d24b6497f67cfe86be6bf7/FLAGfc6689343
[2020-09-04 17:49:07,898 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 17:49:07,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/nested9.i
[2020-09-04 17:49:07,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5778d47/d712d04ca3d24b6497f67cfe86be6bf7/FLAGfc6689343
[2020-09-04 17:49:08,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d5778d47/d712d04ca3d24b6497f67cfe86be6bf7
[2020-09-04 17:49:08,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 17:49:08,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 17:49:08,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 17:49:08,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 17:49:08,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 17:49:08,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e28bb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08, skipping insertion in model container
[2020-09-04 17:49:08,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 17:49:08,315 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 17:49:08,549 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 17:49:08,555 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 17:49:08,577 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 17:49:08,595 INFO L208 MainTranslator]: Completed translation
[2020-09-04 17:49:08,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08 WrapperNode
[2020-09-04 17:49:08,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 17:49:08,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 17:49:08,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 17:49:08,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 17:49:08,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (1/1) ...
[2020-09-04 17:49:08,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 17:49:08,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 17:49:08,736 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 17:49:08,737 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 17:49:08,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (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
[2020-09-04 17:49:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 17:49:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 17:49:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-04 17:49:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-04 17:49:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 17:49:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 17:49:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-04 17:49:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-04 17:49:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-04 17:49:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-04 17:49:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 17:49:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 17:49:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 17:49:09,236 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 17:49:09,237 INFO L295 CfgBuilder]: Removed 3 assume(true) statements.
[2020-09-04 17:49:09,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:49:09 BoogieIcfgContainer
[2020-09-04 17:49:09,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 17:49:09,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 17:49:09,244 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 17:49:09,248 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 17:49:09,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:49:08" (1/3) ...
[2020-09-04 17:49:09,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0ad6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:49:09, skipping insertion in model container
[2020-09-04 17:49:09,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:49:08" (2/3) ...
[2020-09-04 17:49:09,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0ad6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:49:09, skipping insertion in model container
[2020-09-04 17:49:09,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:49:09" (3/3) ...
[2020-09-04 17:49:09,254 INFO L109 eAbstractionObserver]: Analyzing ICFG nested9.i
[2020-09-04 17:49:09,267 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-04 17:49:09,279 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 17:49:09,305 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 17:49:09,334 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 17:49:09,334 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 17:49:09,335 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-09-04 17:49:09,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 17:49:09,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 17:49:09,335 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 17:49:09,335 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 17:49:09,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 17:49:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states.
[2020-09-04 17:49:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2020-09-04 17:49:09,376 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 17:49:09,378 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]
[2020-09-04 17:49:09,379 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 17:49:09,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 17:49:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash -980226087, now seen corresponding path program 1 times
[2020-09-04 17:49:09,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-04 17:49:09,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520298672]
[2020-09-04 17:49:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 17:49:09,477 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-09-04 17:49:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 17:49:09,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 17:49:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 17:49:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 17:49:09,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520298672]
[2020-09-04 17:49:09,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 17:49:09,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-04 17:49:09,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720774250]
[2020-09-04 17:49:09,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-04 17:49:09,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-04 17:49:09,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-04 17:49:09,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2020-09-04 17:49:09,814 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 8 states.
[2020-09-04 17:49:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 17:49:10,373 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions.
[2020-09-04 17:49:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-04 17:49:10,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34
[2020-09-04 17:49:10,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 17:49:10,387 INFO L225 Difference]: With dead ends: 78
[2020-09-04 17:49:10,387 INFO L226 Difference]: Without dead ends: 0
[2020-09-04 17:49:10,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156
[2020-09-04 17:49:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-04 17:49:10,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-04 17:49:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-04 17:49:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-04 17:49:10,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34
[2020-09-04 17:49:10,433 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-04 17:49:10,434 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-04 17:49:10,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-04 17:49:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-04 17:49:10,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-04 17:49:10,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 17:49:10,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-04 17:49:10,937 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,937 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~__BLAST_NONDET~0 |old(~__BLAST_NONDET~0)|)
[2020-09-04 17:49:10,937 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,938 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,938 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,938 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,938 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true
[2020-09-04 17:49:10,938 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed.
[2020-09-04 17:49:10,938 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-09-04 17:49:10,939 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-09-04 17:49:10,939 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed.
[2020-09-04 17:49:10,939 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-09-04 17:49:10,939 INFO L271 CegarLoopResult]: At program point L27(lines 14 29) the Hoare annotation is: true
[2020-09-04 17:49:10,939 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 14 29) the Hoare annotation is: true
[2020-09-04 17:49:10,940 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 26) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0)
[2020-09-04 17:49:10,940 INFO L264 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0)
[2020-09-04 17:49:10,940 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true
[2020-09-04 17:49:10,940 INFO L271 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L23-5(lines 23 26) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: true
[2020-09-04 17:49:10,941 INFO L271 CegarLoopResult]: At program point L15-3(line 15) the Hoare annotation is: true
[2020-09-04 17:49:10,942 INFO L271 CegarLoopResult]: At program point L15-4(line 15) the Hoare annotation is: true
[2020-09-04 17:49:10,942 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0)
[2020-09-04 17:49:10,942 INFO L264 CegarLoopResult]: At program point L24-3(lines 24 26) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0))))
[2020-09-04 17:49:10,942 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true
[2020-09-04 17:49:10,943 INFO L264 CegarLoopResult]: At program point L24-4(line 24) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0))))
[2020-09-04 17:49:10,943 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true
[2020-09-04 17:49:10,943 INFO L264 CegarLoopResult]: At program point L24-5(line 24) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0)
[2020-09-04 17:49:10,943 INFO L264 CegarLoopResult]: At program point L24-6(lines 24 26) the Hoare annotation is: (<= (+ main_~i~0 1) main_~n~0)
[2020-09-04 17:49:10,944 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true
[2020-09-04 17:49:10,944 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true
[2020-09-04 17:49:10,944 INFO L271 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: true
[2020-09-04 17:49:10,944 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0))))
[2020-09-04 17:49:10,945 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~k~0 4) .cse0) (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) .cse0)))
[2020-09-04 17:49:10,945 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true
[2020-09-04 17:49:10,945 INFO L264 CegarLoopResult]: At program point L25-4(line 25) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0))))
[2020-09-04 17:49:10,945 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true
[2020-09-04 17:49:10,946 INFO L264 CegarLoopResult]: At program point L25-5(lines 25 26) the Hoare annotation is: (and (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) (+ main_~i~0 (* 2 main_~n~0))))
[2020-09-04 17:49:10,946 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true
[2020-09-04 17:49:10,946 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true
[2020-09-04 17:49:10,946 INFO L271 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: true
[2020-09-04 17:49:10,947 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 14 29) the Hoare annotation is: true
[2020-09-04 17:49:10,947 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 29) the Hoare annotation is: true
[2020-09-04 17:49:10,947 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~k~0 4) .cse0) (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) .cse0)))
[2020-09-04 17:49:10,948 INFO L264 CegarLoopResult]: At program point L26-1(lines 25 26) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 (* 2 main_~n~0)))) (and (<= (+ main_~k~0 4) .cse0) (<= (+ main_~i~0 1) main_~n~0) (<= (+ main_~j~0 3) .cse0)))
[2020-09-04 17:49:10,948 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true
[2020-09-04 17:49:10,948 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true
[2020-09-04 17:49:10,948 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true
[2020-09-04 17:49:10,948 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true
[2020-09-04 17:49:10,949 INFO L271 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: true
[2020-09-04 17:49:10,949 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-09-04 17:49:10,949 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-09-04 17:49:10,949 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2020-09-04 17:49:10,950 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-09-04 17:49:10,950 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))
[2020-09-04 17:49:10,950 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0)
[2020-09-04 17:49:10,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 05:49:10 BoogieIcfgContainer
[2020-09-04 17:49:10,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 17:49:10,988 INFO L168 Benchmark]: Toolchain (without parser) took 2733.15 ms. Allocated memory was 138.4 MB in the beginning and 234.9 MB in the end (delta: 96.5 MB). Free memory was 103.0 MB in the beginning and 176.4 MB in the end (delta: -73.4 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,989 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.49 ms. Allocated memory is still 138.4 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,992 INFO L168 Benchmark]: Boogie Preprocessor took 138.97 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 93.0 MB in the beginning and 181.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,993 INFO L168 Benchmark]: RCFGBuilder took 506.11 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 164.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,994 INFO L168 Benchmark]: TraceAbstraction took 1740.34 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 176.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB.
[2020-09-04 17:49:10,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 339.49 ms. Allocated memory is still 138.4 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 138.97 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 93.0 MB in the beginning and 181.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 506.11 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 164.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1740.34 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 176.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 82.7 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: 14]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: i + 1 <= n
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 25]: Loop Invariant
Derived loop invariant: i + 1 <= n && j + 3 <= i + 2 * n
- ProcedureContractResult [Line: 14]: Procedure Contract for main
Derived contract for procedure main: 1
- ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert
Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 73 SDslu, 42 SDs, 0 SdLazy, 231 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 54 LocationsWithAnnotation, 60 PreInvPairs, 82 NumberOfFragments, 240 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...