/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 23:02:29,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 23:02:29,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 23:02:29,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 23:02:29,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 23:02:29,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 23:02:29,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 23:02:29,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 23:02:29,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 23:02:29,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 23:02:29,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 23:02:29,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 23:02:29,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 23:02:29,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 23:02:29,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 23:02:29,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 23:02:29,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 23:02:29,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 23:02:29,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 23:02:29,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 23:02:29,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 23:02:29,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 23:02:29,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 23:02:29,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 23:02:29,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 23:02:29,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 23:02:29,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 23:02:29,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 23:02:29,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 23:02:29,290 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 23:02:29,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 23:02:29,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 23:02:29,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 23:02:29,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 23:02:29,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 23:02:29,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 23:02:29,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 23:02:29,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 23:02:29,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 23:02:29,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 23:02:29,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 23:02:29,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 23:02:29,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 23:02:29,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 23:02:29,294 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 23:02:29,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 23:02:29,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 23:02:29,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 23:02:29,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 23:02:29,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 23:02:29,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 23:02:29,296 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-08-22 23:02:29,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 23:02:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 23:02:29,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 23:02:29,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 23:02:29,628 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 23:02:29,628 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2020-08-22 23:02:29,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf0d186/c3f44191ad13407fb56ebba5dd2b271b/FLAGf9046a6fd [2020-08-22 23:02:30,206 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 23:02:30,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2020-08-22 23:02:30,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf0d186/c3f44191ad13407fb56ebba5dd2b271b/FLAGf9046a6fd [2020-08-22 23:02:30,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4bf0d186/c3f44191ad13407fb56ebba5dd2b271b [2020-08-22 23:02:30,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 23:02:30,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 23:02:30,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 23:02:30,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 23:02:30,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 23:02:30,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed90125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30, skipping insertion in model container [2020-08-22 23:02:30,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 23:02:30,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 23:02:30,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:02:30,755 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 23:02:30,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:02:30,781 INFO L208 MainTranslator]: Completed translation [2020-08-22 23:02:30,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30 WrapperNode [2020-08-22 23:02:30,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 23:02:30,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 23:02:30,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 23:02:30,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 23:02:30,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (1/1) ... [2020-08-22 23:02:30,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 23:02:30,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 23:02:30,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 23:02:30,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 23:02:30,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (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 [2020-08-22 23:02:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 23:02:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 23:02:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 23:02:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 23:02:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 23:02:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 23:02:31,119 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 23:02:31,119 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 23:02:31,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:02:31 BoogieIcfgContainer [2020-08-22 23:02:31,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 23:02:31,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 23:02:31,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 23:02:31,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 23:02:31,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 11:02:30" (1/3) ... [2020-08-22 23:02:31,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5833347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:02:31, skipping insertion in model container [2020-08-22 23:02:31,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:02:30" (2/3) ... [2020-08-22 23:02:31,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5833347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:02:31, skipping insertion in model container [2020-08-22 23:02:31,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:02:31" (3/3) ... [2020-08-22 23:02:31,131 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_1.c [2020-08-22 23:02:31,142 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 23:02:31,150 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 23:02:31,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 23:02:31,188 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 23:02:31,189 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 23:02:31,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 23:02:31,189 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 23:02:31,189 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 23:02:31,189 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 23:02:31,189 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 23:02:31,190 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 23:02:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-08-22 23:02:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 23:02:31,219 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 23:02:31,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 23:02:31,221 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 23:02:31,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 23:02:31,232 INFO L82 PathProgramCache]: Analyzing trace with hash -420526341, now seen corresponding path program 1 times [2020-08-22 23:02:31,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 23:02:31,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382713784] [2020-08-22 23:02:31,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 23:02:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:02:31,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 23:02:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:02:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 23:02:31,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382713784] [2020-08-22 23:02:31,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 23:02:31,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 23:02:31,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40063357] [2020-08-22 23:02:31,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 23:02:31,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 23:02:31,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 23:02:31,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 23:02:31,819 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 10 states. [2020-08-22 23:02:31,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 23:02:31,999 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2020-08-22 23:02:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 23:02:32,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-08-22 23:02:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 23:02:32,009 INFO L225 Difference]: With dead ends: 37 [2020-08-22 23:02:32,009 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 23:02:32,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-08-22 23:02:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 23:02:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 23:02:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 23:02:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 23:02:32,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-08-22 23:02:32,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 23:02:32,042 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 23:02:32,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 23:02:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 23:02:32,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 23:02:32,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 23:02:32,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 23:02:32,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,205 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,205 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,205 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 23:02:32,205 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 27) the Hoare annotation is: true [2020-08-22 23:02:32,206 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 13 27) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2020-08-22 23:02:32,206 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2020-08-22 23:02:32,207 INFO L264 CegarLoopResult]: At program point L24-1(lines 19 25) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2020-08-22 23:02:32,207 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (let ((.cse1 (+ main_~k~0 3)) (.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 23:02:32,207 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (let ((.cse1 (+ main_~i~0 main_~j~0)) (.cse0 (+ main_~k~0 1))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2020-08-22 23:02:32,208 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2020-08-22 23:02:32,208 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= main_~i~0 0) (<= .cse0 0) (<= 0 main_~i~0) (<= 0 .cse0))) [2020-08-22 23:02:32,208 INFO L264 CegarLoopResult]: At program point L19-2(lines 13 27) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2020-08-22 23:02:32,208 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (<= main_~i~0 0) (<= 0 main_~i~0)) [2020-08-22 23:02:32,209 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 11) the Hoare annotation is: true [2020-08-22 23:02:32,209 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 5 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 23:02:32,209 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 23:02:32,209 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))) [2020-08-22 23:02:32,210 INFO L264 CegarLoopResult]: At program point L7-2(lines 5 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 23:02:32,210 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 23:02:32,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 11:02:32 BoogieIcfgContainer [2020-08-22 23:02:32,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 23:02:32,235 INFO L168 Benchmark]: Toolchain (without parser) took 1690.40 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 98.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,236 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.71 ms. Allocated memory is still 145.2 MB. Free memory was 103.3 MB in the beginning and 94.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,238 INFO L168 Benchmark]: Boogie Preprocessor took 114.99 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 94.0 MB in the beginning and 181.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,239 INFO L168 Benchmark]: RCFGBuilder took 225.55 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 169.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,240 INFO L168 Benchmark]: TraceAbstraction took 1107.15 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 98.7 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2020-08-22 23:02:32,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.71 ms. Allocated memory is still 145.2 MB. Free memory was 103.3 MB in the beginning and 94.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.99 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 94.0 MB in the beginning and 181.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.55 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 169.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1107.15 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 98.7 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 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: 19]: Loop Invariant Derived loop invariant: i + j <= k && k <= i + j - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: i + j <= k && k <= i + j - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 16 SDslu, 65 SDs, 0 SdLazy, 63 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 22 LocationsWithAnnotation, 28 PreInvPairs, 41 NumberOfFragments, 147 HoareAnnotationTreeSize, 28 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1764 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...