java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/sum_array_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 21:55:47,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 21:55:47,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 21:55:47,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 21:55:47,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 21:55:47,161 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 21:55:47,162 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 21:55:47,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 21:55:47,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 21:55:47,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 21:55:47,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 21:55:47,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 21:55:47,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 21:55:47,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 21:55:47,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 21:55:47,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 21:55:47,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 21:55:47,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 21:55:47,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 21:55:47,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 21:55:47,185 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 21:55:47,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 21:55:47,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 21:55:47,188 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 21:55:47,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 21:55:47,189 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 21:55:47,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 21:55:47,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 21:55:47,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 21:55:47,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 21:55:47,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 21:55:47,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-21 21:55:47,196 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-21 21:55:47,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 21:55:47,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 21:55:47,211 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 21:55:47,212 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-21 21:55:47,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-21 21:55:47,212 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-21 21:55:47,213 INFO L133 SettingsManager]: * Use SBE=true [2018-07-21 21:55:47,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 21:55:47,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 21:55:47,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 21:55:47,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 21:55:47,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 21:55:47,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 21:55:47,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 21:55:47,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 21:55:47,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 21:55:47,215 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 21:55:47,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 21:55:47,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 21:55:47,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:55:47,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 21:55:47,215 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 21:55:47,216 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 21:55:47,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 21:55:47,216 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-21 21:55:47,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 21:55:47,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 21:55:47,217 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 21:55:47,217 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 21:55:47,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 21:55:47,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 21:55:47,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 21:55:47,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 21:55:47,292 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 21:55:47,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array_true-unreach-call.i [2018-07-21 21:55:47,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e47f0d1/88b1f0ce2009489796a51a04a8ad8947/FLAG706bc4291 [2018-07-21 21:55:47,811 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 21:55:47,811 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loops/sum_array_true-unreach-call.i [2018-07-21 21:55:47,818 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e47f0d1/88b1f0ce2009489796a51a04a8ad8947/FLAG706bc4291 [2018-07-21 21:55:47,841 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e47f0d1/88b1f0ce2009489796a51a04a8ad8947 [2018-07-21 21:55:47,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 21:55:47,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 21:55:47,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 21:55:47,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 21:55:47,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 21:55:47,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:55:47" (1/1) ... [2018-07-21 21:55:47,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cffc5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:47, skipping insertion in model container [2018-07-21 21:55:47,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:55:47" (1/1) ... [2018-07-21 21:55:48,048 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 21:55:48,086 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:55:48,099 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 21:55:48,116 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:55:48,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48 WrapperNode [2018-07-21 21:55:48,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 21:55:48,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 21:55:48,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 21:55:48,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 21:55:48,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 21:55:48,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 21:55:48,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 21:55:48,178 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 21:55:48,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... [2018-07-21 21:55:48,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 21:55:48,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 21:55:48,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 21:55:48,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 21:55:48,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 21:55:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 21:55:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 21:55:48,928 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 21:55:48,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:55:48 BoogieIcfgContainer [2018-07-21 21:55:48,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 21:55:48,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 21:55:48,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 21:55:48,933 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 21:55:48,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:55:47" (1/3) ... [2018-07-21 21:55:48,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80d58c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:55:48, skipping insertion in model container [2018-07-21 21:55:48,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:48" (2/3) ... [2018-07-21 21:55:48,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80d58c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:55:48, skipping insertion in model container [2018-07-21 21:55:48,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:55:48" (3/3) ... [2018-07-21 21:55:48,936 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array_true-unreach-call.i [2018-07-21 21:55:48,946 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 21:55:48,953 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 21:55:48,996 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 21:55:48,997 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 21:55:48,998 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 21:55:48,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 21:55:48,998 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 21:55:48,998 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 21:55:48,998 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 21:55:48,999 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 21:55:48,999 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 21:55:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-07-21 21:55:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-21 21:55:49,017 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:55:49,018 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:55:49,018 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:55:49,023 INFO L82 PathProgramCache]: Analyzing trace with hash 905578736, now seen corresponding path program 1 times [2018-07-21 21:55:49,025 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:55:49,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:55:49,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:49,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:55:49,136 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:55:49,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-21 21:55:49,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-21 21:55:49,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-21 21:55:49,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 21:55:49,159 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2018-07-21 21:55:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:55:49,186 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2018-07-21 21:55:49,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-21 21:55:49,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-07-21 21:55:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:55:49,196 INFO L225 Difference]: With dead ends: 46 [2018-07-21 21:55:49,197 INFO L226 Difference]: Without dead ends: 23 [2018-07-21 21:55:49,200 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 21:55:49,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-21 21:55:49,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-21 21:55:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-21 21:55:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-07-21 21:55:49,233 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 12 [2018-07-21 21:55:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:55:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-07-21 21:55:49,233 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-21 21:55:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-07-21 21:55:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-21 21:55:49,234 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:55:49,234 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:55:49,234 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:55:49,234 INFO L82 PathProgramCache]: Analyzing trace with hash -878099258, now seen corresponding path program 1 times [2018-07-21 21:55:49,234 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:55:49,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:55:49,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:49,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:55:49,401 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:55:49,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-21 21:55:49,403 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-21 21:55:49,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-21 21:55:49,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-21 21:55:49,407 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2018-07-21 21:55:49,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:55:49,795 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2018-07-21 21:55:49,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 21:55:49,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-07-21 21:55:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:55:49,798 INFO L225 Difference]: With dead ends: 66 [2018-07-21 21:55:49,798 INFO L226 Difference]: Without dead ends: 41 [2018-07-21 21:55:49,799 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-21 21:55:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-21 21:55:49,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2018-07-21 21:55:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-21 21:55:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-07-21 21:55:49,808 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 15 [2018-07-21 21:55:49,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:55:49,809 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-07-21 21:55:49,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-21 21:55:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-07-21 21:55:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-21 21:55:49,812 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:55:49,813 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:55:49,813 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:55:49,813 INFO L82 PathProgramCache]: Analyzing trace with hash 748632740, now seen corresponding path program 1 times [2018-07-21 21:55:49,813 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:55:49,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:55:49,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:49,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:50,321 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 18 [2018-07-21 21:55:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-07-21 21:55:50,407 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 21:55:50,407 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 21:55:50,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:50,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 21:55:50,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-07-21 21:55:50,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-07-21 21:55:50,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-07-21 21:55:50,516 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-07-21 21:55:50,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-07-21 21:55:50,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-07-21 21:55:50,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-07-21 21:55:50,584 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-07-21 21:55:50,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-07-21 21:55:50,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-07-21 21:55:50,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-07-21 21:55:50,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:24 [2018-07-21 21:55:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:55:50,819 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 21:55:50,819 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2018-07-21 21:55:50,820 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 21:55:50,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 21:55:50,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-21 21:55:50,821 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 7 states. [2018-07-21 21:55:51,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:55:51,007 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-07-21 21:55:51,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:55:51,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-07-21 21:55:51,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:55:51,008 INFO L225 Difference]: With dead ends: 43 [2018-07-21 21:55:51,009 INFO L226 Difference]: Without dead ends: 41 [2018-07-21 21:55:51,009 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 8 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:55:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-21 21:55:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2018-07-21 21:55:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-21 21:55:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2018-07-21 21:55:51,015 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 26 [2018-07-21 21:55:51,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:55:51,016 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2018-07-21 21:55:51,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 21:55:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-07-21 21:55:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-21 21:55:51,018 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:55:51,018 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:55:51,019 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:55:51,019 INFO L82 PathProgramCache]: Analyzing trace with hash 115475377, now seen corresponding path program 1 times [2018-07-21 21:55:51,019 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:55:51,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:55:51,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:51,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:51,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-21 21:55:51,680 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 21:55:51,681 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 21:55:51,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:55:51,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 21:55:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-21 21:55:51,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 21:55:51,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-07-21 21:55:51,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-21 21:55:51,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-21 21:55:51,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:55:51,904 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 9 states. [2018-07-21 21:55:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:55:52,502 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2018-07-21 21:55:52,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 21:55:52,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-07-21 21:55:52,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:55:52,504 INFO L225 Difference]: With dead ends: 99 [2018-07-21 21:55:52,504 INFO L226 Difference]: Without dead ends: 57 [2018-07-21 21:55:52,505 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-07-21 21:55:52,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-21 21:55:52,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2018-07-21 21:55:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-21 21:55:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-07-21 21:55:52,514 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 31 [2018-07-21 21:55:52,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:55:52,515 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-07-21 21:55:52,515 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-21 21:55:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-07-21 21:55:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-21 21:55:52,516 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:55:52,516 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:55:52,516 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:55:52,518 INFO L82 PathProgramCache]: Analyzing trace with hash 217202511, now seen corresponding path program 2 times [2018-07-21 21:55:52,518 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:55:52,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:55:52,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:52,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:55:52,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:55:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-21 22:00:35,478 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1426) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$MixedLAInterpolator.convert(Interpolator.java:1282) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:125) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:121) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:73) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:239) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.mixedPivotLA(Interpolator.java:1472) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:357) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$2(Interpolator.java:326) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:153) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:228) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-21 22:00:35,482 INFO L168 Benchmark]: Toolchain (without parser) took 287625.10 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 254.2 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,485 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 22:00:35,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.90 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 244.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.49 ms. Allocated memory is still 308.8 MB. Free memory was 244.0 MB in the beginning and 242.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,487 INFO L168 Benchmark]: Boogie Preprocessor took 43.41 ms. Allocated memory is still 308.8 MB. Free memory was 242.0 MB in the beginning and 241.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,487 INFO L168 Benchmark]: RCFGBuilder took 707.41 ms. Allocated memory was 308.8 MB in the beginning and 481.8 MB in the end (delta: 173.0 MB). Free memory was 241.0 MB in the beginning and 449.4 MB in the end (delta: -208.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,493 INFO L168 Benchmark]: TraceAbstraction took 286551.73 ms. Allocated memory was 481.8 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 449.4 MB in the beginning and 1.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-07-21 22:00:35,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 267.90 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 244.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 42.49 ms. Allocated memory is still 308.8 MB. Free memory was 244.0 MB in the beginning and 242.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.41 ms. Allocated memory is still 308.8 MB. Free memory was 242.0 MB in the beginning and 241.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 707.41 ms. Allocated memory was 308.8 MB in the beginning and 481.8 MB in the end (delta: 173.0 MB). Free memory was 241.0 MB in the beginning and 449.4 MB in the end (delta: -208.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 286551.73 ms. Allocated memory was 481.8 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 449.4 MB in the beginning and 1.5 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sum_array_true-unreach-call.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_22-00-35-514.csv Completed graceful shutdown