java -Xmx8000000000 -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 csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label04_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:53:54,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:53:54,304 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:53:54,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:53:54,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:53:54,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:53:54,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:53:54,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:53:54,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:53:54,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:53:54,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:53:54,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:53:54,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:53:54,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:53:54,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:53:54,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:53:54,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:53:54,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:53:54,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:53:54,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:53:54,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:53:54,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:53:54,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:53:54,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:53:54,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:53:54,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:53:54,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:53:54,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:53:54,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:53:54,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:53:54,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:53:54,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:53:54,346 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:53:54,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:53:54,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:53:54,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:53:54,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:53:54,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:53:54,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:53:54,365 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:53:54,366 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:53:54,366 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:53:54,366 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:53:54,366 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:53:54,366 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:53:54,367 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:53:54,367 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:53:54,367 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:53:54,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:53:54,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:53:54,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:53:54,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:53:54,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:53:54,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:53:54,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:53:54,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:53:54,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:53:54,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:53:54,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:53:54,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:53:54,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:53:54,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:53:54,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:53:54,371 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:53:54,371 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:53:54,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:53:54,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:53:54,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:53:54,372 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:53:54,372 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:53:54,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:53:54,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:53:54,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:53:54,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:53:54,434 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:53:54,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label04_false-unreach-call.c [2018-07-23 19:53:54,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4c03184/180146bc5080462082bf513763e30b4c/FLAG14b66f2e7 [2018-07-23 19:53:55,256 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:53:55,258 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label04_false-unreach-call.c [2018-07-23 19:53:55,290 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4c03184/180146bc5080462082bf513763e30b4c/FLAG14b66f2e7 [2018-07-23 19:53:55,306 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4c03184/180146bc5080462082bf513763e30b4c [2018-07-23 19:53:55,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:53:55,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:53:55,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:53:55,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:53:55,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:53:55,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:53:55" (1/1) ... [2018-07-23 19:53:55,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a59828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:55, skipping insertion in model container [2018-07-23 19:53:55,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:53:55" (1/1) ... [2018-07-23 19:53:55,643 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:53:56,476 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:53:56,495 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:53:56,976 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:53:57,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57 WrapperNode [2018-07-23 19:53:57,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:53:57,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:53:57,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:53:57,203 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:53:57,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:57,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:57,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:53:57,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:53:57,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:53:57,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:53:58,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... [2018-07-23 19:53:58,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:53:58,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:53:58,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:53:58,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:53:58,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:53:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:53:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:53:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:53:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:53:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:53:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:53:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:53:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 19:53:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:53:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:54:10,129 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:54:10,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:54:10 BoogieIcfgContainer [2018-07-23 19:54:10,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:54:10,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:54:10,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:54:10,135 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:54:10,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:53:55" (1/3) ... [2018-07-23 19:54:10,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5c77c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:54:10, skipping insertion in model container [2018-07-23 19:54:10,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:53:57" (2/3) ... [2018-07-23 19:54:10,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5c77c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:54:10, skipping insertion in model container [2018-07-23 19:54:10,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:54:10" (3/3) ... [2018-07-23 19:54:10,139 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label04_false-unreach-call.c [2018-07-23 19:54:10,149 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:54:10,159 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:54:10,226 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:54:10,227 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:54:10,227 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:54:10,227 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:54:10,227 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:54:10,228 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:54:10,228 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:54:10,228 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:54:10,228 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:54:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-23 19:54:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 19:54:10,291 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:54:10,293 INFO L353 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] [2018-07-23 19:54:10,294 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:54:10,301 INFO L82 PathProgramCache]: Analyzing trace with hash -379305890, now seen corresponding path program 1 times [2018-07-23 19:54:10,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:54:10,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:10,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:54:10,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:10,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:54:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:54:10,857 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 19:54:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:54:10,873 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:54:10,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 19:54:10,874 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:54:10,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 19:54:10,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 19:54:10,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:54:10,899 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-23 19:54:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:54:21,188 INFO L93 Difference]: Finished difference Result 2137 states and 3966 transitions. [2018-07-23 19:54:21,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 19:54:21,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-07-23 19:54:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:54:21,222 INFO L225 Difference]: With dead ends: 2137 [2018-07-23 19:54:21,223 INFO L226 Difference]: Without dead ends: 1527 [2018-07-23 19:54:21,235 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:54:21,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2018-07-23 19:54:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1513. [2018-07-23 19:54:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-07-23 19:54:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2344 transitions. [2018-07-23 19:54:21,401 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2344 transitions. Word has length 27 [2018-07-23 19:54:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:54:21,401 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2344 transitions. [2018-07-23 19:54:21,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 19:54:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2344 transitions. [2018-07-23 19:54:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 19:54:21,409 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:54:21,409 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:54:21,411 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:54:21,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1235134065, now seen corresponding path program 1 times [2018-07-23 19:54:21,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:54:21,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:21,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:54:21,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:21,413 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:54:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:54:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:54:21,709 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:54:21,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 19:54:21,709 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:54:21,711 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 19:54:21,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 19:54:21,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-23 19:54:21,712 INFO L87 Difference]: Start difference. First operand 1513 states and 2344 transitions. Second operand 6 states. [2018-07-23 19:54:42,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:54:42,450 INFO L93 Difference]: Finished difference Result 5740 states and 9199 transitions. [2018-07-23 19:54:42,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:54:42,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-07-23 19:54:42,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:54:42,487 INFO L225 Difference]: With dead ends: 5740 [2018-07-23 19:54:42,487 INFO L226 Difference]: Without dead ends: 4233 [2018-07-23 19:54:42,501 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:54:42,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4233 states. [2018-07-23 19:54:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4233 to 4226. [2018-07-23 19:54:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4226 states. [2018-07-23 19:54:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 4226 states and 5626 transitions. [2018-07-23 19:54:42,627 INFO L78 Accepts]: Start accepts. Automaton has 4226 states and 5626 transitions. Word has length 99 [2018-07-23 19:54:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:54:42,628 INFO L471 AbstractCegarLoop]: Abstraction has 4226 states and 5626 transitions. [2018-07-23 19:54:42,628 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 19:54:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4226 states and 5626 transitions. [2018-07-23 19:54:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 19:54:42,632 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:54:42,633 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:54:42,633 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:54:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1639249809, now seen corresponding path program 1 times [2018-07-23 19:54:42,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:54:42,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:42,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:54:42,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:54:42,635 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:54:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:54:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:54:42,923 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:54:42,923 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:54:42,924 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-07-23 19:54:42,926 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [735], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [850], [852], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1207], [1215], [1223], [1228], [1232], [1236], [1240], [1244], [1247], [2303], [2304], [2305], [2306], [2308], [2309] [2018-07-23 19:54:43,013 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:54:43,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:55:15,592 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:55:52,717 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:55:52,719 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-07-23 19:55:52,739 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:55:54,682 INFO L232 lantSequenceWeakener]: Weakened 100 states. On average, predicates are now at 75.46% of their original sizes. [2018-07-23 19:55:54,682 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:55:56,401 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:55:56,402 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:55:56,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-07-23 19:55:56,402 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:55:56,403 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:55:56,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:55:56,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:55:56,404 INFO L87 Difference]: Start difference. First operand 4226 states and 5626 transitions. Second operand 11 states. Received shutdown request... [2018-07-23 19:57:28,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:57:28,349 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:57:28,358 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:57:28,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:57:28 BoogieIcfgContainer [2018-07-23 19:57:28,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:57:28,360 INFO L168 Benchmark]: Toolchain (without parser) took 213040.70 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,361 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-07-23 19:57:28,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1880.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 339.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,364 INFO L168 Benchmark]: Boogie Preprocessor took 838.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 923.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,365 INFO L168 Benchmark]: RCFGBuilder took 11748.88 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 500.3 MB). Peak memory consumption was 500.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,366 INFO L168 Benchmark]: TraceAbstraction took 198228.14 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 2.4 GB in the end (delta: -600.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-23 19:57:28,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1880.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 339.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 838.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 923.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11748.88 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 500.3 MB). Peak memory consumption was 500.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198228.14 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 2.4 GB in the end (delta: -600.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 68). Cancelled while BasicCegarLoop was constructing difference of abstraction (4226states) and interpolant automaton (currently 13 states, 11 states before enhancement), while ReachableStatesComputation was computing reachable states (3381 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 198.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 123.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1010 SDtfs, 4464 SDslu, 1192 SDs, 0 SdLazy, 9390 SolverSat, 1840 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 77.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 122 GetRequests, 84 SyntacticMatches, 15 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4226occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 69.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9911805026656513 AbsIntWeakeningRatio, 0.2079207920792079 AbsIntAvgWeakeningVarsNumRemoved, 517.0297029702971 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 105295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 20/40 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label04_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-57-28-386.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label04_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-57-28-386.csv Completed graceful shutdown