java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:04:26,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:04:26,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:04:26,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:04:26,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:04:26,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:04:26,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:04:26,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:04:26,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:04:26,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:04:26,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:04:26,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:04:26,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:04:26,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:04:26,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:04:26,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:04:26,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:04:26,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:04:26,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:04:26,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:04:26,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:04:26,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:04:26,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:04:26,348 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:04:26,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:04:26,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:04:26,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:04:26,351 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 01:04:26,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:04:26,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:04:26,377 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:04:26,377 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:04:26,378 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:04:26,378 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:04:26,378 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:04:26,378 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:04:26,378 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:04:26,379 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:04:26,379 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:04:26,379 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:04:26,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:04:26,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:04:26,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:04:26,381 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:04:26,381 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:04:26,381 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:04:26,381 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:04:26,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:04:26,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:04:26,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:04:26,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:04:26,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:04:26,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:04:26,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:04:26,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:04:26,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:04:26,385 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:04:26,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:04:26,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:04:26,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:04:26,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:04:26,469 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:04:26,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label22_true-unreach-call.c [2018-10-24 01:04:26,549 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58470cb92/28f601e98ed144d6b23fe25c0aa84952/FLAG16bd21458 [2018-10-24 01:04:27,216 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:04:27,217 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label22_true-unreach-call.c [2018-10-24 01:04:27,232 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58470cb92/28f601e98ed144d6b23fe25c0aa84952/FLAG16bd21458 [2018-10-24 01:04:27,248 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58470cb92/28f601e98ed144d6b23fe25c0aa84952 [2018-10-24 01:04:27,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:04:27,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:04:27,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:04:27,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:04:27,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:04:27,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:27" (1/1) ... [2018-10-24 01:04:27,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b8561a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:27, skipping insertion in model container [2018-10-24 01:04:27,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:04:27" (1/1) ... [2018-10-24 01:04:27,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:04:27,347 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:04:27,919 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:04:27,924 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:04:28,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:04:28,159 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:04:28,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28 WrapperNode [2018-10-24 01:04:28,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:04:28,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:04:28,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:04:28,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:04:28,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:04:28,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:04:28,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:04:28,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:04:28,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... [2018-10-24 01:04:28,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:04:28,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:04:28,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:04:28,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:04:28,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 01:04:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:04:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:04:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:04:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:04:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:04:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:04:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:04:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:04:33,282 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:04:33,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:33 BoogieIcfgContainer [2018-10-24 01:04:33,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:04:33,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:04:33,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:04:33,293 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:04:33,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:04:27" (1/3) ... [2018-10-24 01:04:33,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccc2bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:33, skipping insertion in model container [2018-10-24 01:04:33,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:04:28" (2/3) ... [2018-10-24 01:04:33,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccc2bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:04:33, skipping insertion in model container [2018-10-24 01:04:33,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:04:33" (3/3) ... [2018-10-24 01:04:33,299 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label22_true-unreach-call.c [2018-10-24 01:04:33,312 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:04:33,326 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:04:33,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:04:33,385 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:04:33,385 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:04:33,385 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:04:33,385 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:04:33,385 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:04:33,386 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:04:33,386 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:04:33,386 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:04:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 01:04:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-24 01:04:33,427 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:04:33,428 INFO L375 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, 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] [2018-10-24 01:04:33,430 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:04:33,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:04:33,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1190540220, now seen corresponding path program 1 times [2018-10-24 01:04:33,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:04:33,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:33,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:04:33,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:33,498 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:04:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:04:34,028 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:04:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:04:34,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:04:34,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:04:34,152 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:04:34,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:04:34,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:04:34,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:04:34,178 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-24 01:04:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:04:36,311 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-10-24 01:04:36,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:04:36,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-10-24 01:04:36,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:04:36,344 INFO L225 Difference]: With dead ends: 790 [2018-10-24 01:04:36,344 INFO L226 Difference]: Without dead ends: 495 [2018-10-24 01:04:36,359 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:04:36,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-10-24 01:04:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-10-24 01:04:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-24 01:04:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-10-24 01:04:36,459 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 62 [2018-10-24 01:04:36,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:04:36,460 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-10-24 01:04:36,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:04:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-10-24 01:04:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-24 01:04:36,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:04:36,475 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:04:36,477 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:04:36,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:04:36,478 INFO L82 PathProgramCache]: Analyzing trace with hash -424874524, now seen corresponding path program 1 times [2018-10-24 01:04:36,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:04:36,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:36,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:04:36,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:36,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:04:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:04:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:04:36,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:04:36,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:04:36,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:04:36,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:04:36,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:04:36,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:04:36,881 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-10-24 01:04:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:04:42,397 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-10-24 01:04:42,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:04:42,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-10-24 01:04:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:04:42,413 INFO L225 Difference]: With dead ends: 1731 [2018-10-24 01:04:42,413 INFO L226 Difference]: Without dead ends: 1249 [2018-10-24 01:04:42,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:04:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-10-24 01:04:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-10-24 01:04:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-10-24 01:04:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-10-24 01:04:42,507 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 138 [2018-10-24 01:04:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:04:42,507 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-10-24 01:04:42,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:04:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-10-24 01:04:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-24 01:04:42,522 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:04:42,522 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:04:42,523 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:04:42,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:04:42,523 INFO L82 PathProgramCache]: Analyzing trace with hash 291958583, now seen corresponding path program 1 times [2018-10-24 01:04:42,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:04:42,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:42,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:04:42,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:42,525 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:04:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:04:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:04:42,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:04:42,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:04:42,780 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:04:42,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:04:42,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:04:42,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:04:42,782 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-10-24 01:04:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:04:46,701 INFO L93 Difference]: Finished difference Result 3667 states and 6091 transitions. [2018-10-24 01:04:46,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:04:46,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-24 01:04:46,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:04:46,729 INFO L225 Difference]: With dead ends: 3667 [2018-10-24 01:04:46,730 INFO L226 Difference]: Without dead ends: 2641 [2018-10-24 01:04:46,740 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:04:46,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2018-10-24 01:04:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2604. [2018-10-24 01:04:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2018-10-24 01:04:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3730 transitions. [2018-10-24 01:04:46,832 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3730 transitions. Word has length 149 [2018-10-24 01:04:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:04:46,832 INFO L481 AbstractCegarLoop]: Abstraction has 2604 states and 3730 transitions. [2018-10-24 01:04:46,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:04:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3730 transitions. [2018-10-24 01:04:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-24 01:04:46,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:04:46,841 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2018-10-24 01:04:46,841 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:04:46,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:04:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1216572799, now seen corresponding path program 1 times [2018-10-24 01:04:46,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:04:46,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:46,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:04:46,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:04:46,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:04:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:04:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:04:47,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:04:47,371 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:04:47,372 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-10-24 01:04:47,374 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:04:47,444 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:04:47,444 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:04:51,983 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:05:09,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:05:09,784 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 01:05:09,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:05:09,801 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:05:13,183 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 88.46% of their original sizes. [2018-10-24 01:05:13,183 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:06:14,775 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:06:14,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:06:14,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [8] total 22 [2018-10-24 01:06:14,776 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:06:14,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 01:06:14,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 01:06:14,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-10-24 01:06:14,778 INFO L87 Difference]: Start difference. First operand 2604 states and 3730 transitions. Second operand 16 states. Received shutdown request... [2018-10-24 01:08:40,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-24 01:08:40,921 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:08:40,928 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:08:40,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:08:40 BoogieIcfgContainer [2018-10-24 01:08:40,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:08:40,929 INFO L168 Benchmark]: Toolchain (without parser) took 253669.29 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,931 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:08:40,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 295.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,933 INFO L168 Benchmark]: Boogie Preprocessor took 124.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,934 INFO L168 Benchmark]: RCFGBuilder took 4702.70 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 184.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,937 INFO L168 Benchmark]: TraceAbstraction took 247643.24 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -197.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 01:08:40,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 898.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 295.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4702.70 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 184.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247643.24 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.2 GB in the end (delta: -197.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 171]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 171). Cancelled while BasicCegarLoop was constructing difference of abstraction (2604states) and FLOYD_HOARE automaton (currently 18 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (923 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 247.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 157.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 416 SDtfs, 2918 SDslu, 460 SDs, 0 SdLazy, 5344 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 223 GetRequests, 137 SyntacticMatches, 52 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 66.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2604occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 22.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9953395290182856 AbsIntWeakeningRatio, 0.11917098445595854 AbsIntAvgWeakeningVarsNumRemoved, 1064.9844559585492 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 261 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 539 ConstructedInterpolants, 0 QuantifiedInterpolants, 344341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 159/165 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown