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/Problem15_label09_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:41:34,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:41:34,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:41:34,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:41:34,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:41:34,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:41:34,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:41:34,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:41:34,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:41:34,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:41:34,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:41:34,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:41:34,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:41:34,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:41:34,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:41:34,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:41:34,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:41:34,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:41:34,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:41:34,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:41:34,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:41:34,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:41:34,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:41:34,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:41:34,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:41:34,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:41:34,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:41:34,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:41:34,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:41:34,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:41:34,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:41:34,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 19:41:34,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 19:41:34,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 19:41:34,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 19:41:34,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 19:41:34,173 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 19:41:34,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:41:34,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:41:34,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:41:34,201 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:41:34,201 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:41:34,201 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:41:34,202 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:41:34,202 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:41:34,202 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:41:34,202 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:41:34,203 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:41:34,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:41:34,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:41:34,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:41:34,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:41:34,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:41:34,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:41:34,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:41:34,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:41:34,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:41:34,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:41:34,207 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:41:34,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:41:34,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:41:34,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:41:34,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:41:34,208 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:41:34,209 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:41:34,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:41:34,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:41:34,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:41:34,282 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:41:34,282 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:41:34,283 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label09_false-unreach-call.c [2018-07-23 19:41:34,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dba2cd3d/35f9a5b8e97748fa9f0283eec8fae8ea/FLAG214846214 [2018-07-23 19:41:34,972 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:41:34,973 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label09_false-unreach-call.c [2018-07-23 19:41:34,996 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dba2cd3d/35f9a5b8e97748fa9f0283eec8fae8ea/FLAG214846214 [2018-07-23 19:41:35,012 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dba2cd3d/35f9a5b8e97748fa9f0283eec8fae8ea [2018-07-23 19:41:35,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:41:35,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:41:35,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:41:35,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:41:35,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:41:35,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:41:35" (1/1) ... [2018-07-23 19:41:35,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5977ed63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:35, skipping insertion in model container [2018-07-23 19:41:35,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:41:35" (1/1) ... [2018-07-23 19:41:35,301 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:41:35,912 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:41:35,929 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:41:36,310 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:41:36,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36 WrapperNode [2018-07-23 19:41:36,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:41:36,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:41:36,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:41:36,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:41:36,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:36,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:36,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:41:36,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:41:36,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:41:36,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:41:36,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:36,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:36,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:36,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:37,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:37,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:37,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (1/1) ... [2018-07-23 19:41:37,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:41:37,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:41:37,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:41:37,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:41:37,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (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 19:41:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:41:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:41:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:41:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:41:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:41:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:41:37,417 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 19:41:37,417 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 19:41:37,417 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 19:41:37,417 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 19:41:44,180 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:41:44,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:41:44 BoogieIcfgContainer [2018-07-23 19:41:44,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:41:44,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:41:44,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:41:44,186 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:41:44,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:41:35" (1/3) ... [2018-07-23 19:41:44,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d05837e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:41:44, skipping insertion in model container [2018-07-23 19:41:44,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:41:36" (2/3) ... [2018-07-23 19:41:44,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d05837e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:41:44, skipping insertion in model container [2018-07-23 19:41:44,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:41:44" (3/3) ... [2018-07-23 19:41:44,193 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label09_false-unreach-call.c [2018-07-23 19:41:44,201 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:41:44,209 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:41:44,264 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:41:44,265 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:41:44,265 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:41:44,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:41:44,266 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:41:44,266 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:41:44,266 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:41:44,266 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:41:44,266 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:41:44,297 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 19:41:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 19:41:44,304 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:41:44,305 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:41:44,305 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 19:41:44,311 INFO L82 PathProgramCache]: Analyzing trace with hash 575528516, now seen corresponding path program 1 times [2018-07-23 19:41:44,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:41:44,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:44,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:41:44,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:44,362 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:41:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:41:44,736 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 19:41:44,739 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:41:44,739 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 19:41:44,739 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:41:44,745 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 19:41:44,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 19:41:44,762 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:41:44,765 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 19:41:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:41:54,536 INFO L93 Difference]: Finished difference Result 1514 states and 2777 transitions. [2018-07-23 19:41:54,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 19:41:54,538 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-07-23 19:41:54,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:41:54,566 INFO L225 Difference]: With dead ends: 1514 [2018-07-23 19:41:54,566 INFO L226 Difference]: Without dead ends: 1070 [2018-07-23 19:41:54,578 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:41:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2018-07-23 19:41:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1068. [2018-07-23 19:41:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-07-23 19:41:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1675 transitions. [2018-07-23 19:41:54,729 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1675 transitions. Word has length 14 [2018-07-23 19:41:54,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:41:54,730 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1675 transitions. [2018-07-23 19:41:54,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 19:41:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1675 transitions. [2018-07-23 19:41:54,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 19:41:54,734 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:41:54,734 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:41:54,735 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 19:41:54,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1651891727, now seen corresponding path program 1 times [2018-07-23 19:41:54,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:41:54,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:54,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:41:54,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:41:54,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:41:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:41:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:41:54,990 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:41:54,990 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 19:41:54,990 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:41:54,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 19:41:54,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 19:41:54,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:41:54,993 INFO L87 Difference]: Start difference. First operand 1068 states and 1675 transitions. Second operand 3 states. [2018-07-23 19:42:01,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:42:01,853 INFO L93 Difference]: Finished difference Result 3059 states and 4890 transitions. [2018-07-23 19:42:01,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 19:42:01,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-07-23 19:42:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:42:01,874 INFO L225 Difference]: With dead ends: 3059 [2018-07-23 19:42:01,874 INFO L226 Difference]: Without dead ends: 1997 [2018-07-23 19:42:01,882 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 19:42:01,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-07-23 19:42:01,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1995. [2018-07-23 19:42:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2018-07-23 19:42:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2748 transitions. [2018-07-23 19:42:01,968 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2748 transitions. Word has length 84 [2018-07-23 19:42:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:42:01,969 INFO L471 AbstractCegarLoop]: Abstraction has 1995 states and 2748 transitions. [2018-07-23 19:42:01,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 19:42:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2748 transitions. [2018-07-23 19:42:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 19:42:01,980 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:42:01,981 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 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] [2018-07-23 19:42:01,981 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 19:42:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1049494411, now seen corresponding path program 1 times [2018-07-23 19:42:01,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:42:01,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:42:01,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:42:01,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:42:01,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:42:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:42:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 15 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-07-23 19:42:02,386 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:42:02,386 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:42:02,387 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-07-23 19:42:02,389 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [98], [105], [109], [111], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [570], [578], [586], [591], [595], [606], [610], [614], [618], [622], [626], [630], [634], [638], [642], [646], [650], [653], [654], [665], [669], [673], [677], [681], [692], [696], [700], [704], [708], [712], [715], [1659], [1660], [1661], [1662], [1664], [1665] [2018-07-23 19:42:02,459 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:42:02,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:43:43,717 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:45:38,720 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:45:38,722 INFO L272 AbstractInterpreter]: Visited 104 different actions 397 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:45:38,748 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:45:41,427 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 77.34% of their original sizes. [2018-07-23 19:45:41,428 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:45:42,513 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:45:42,514 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:45:42,514 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-07-23 19:45:42,514 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:45:42,515 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:45:42,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:45:42,516 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:45:42,516 INFO L87 Difference]: Start difference. First operand 1995 states and 2748 transitions. Second operand 11 states. Received shutdown request... [2018-07-23 19:45:52,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:45:52,149 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:45:52,154 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:45:52,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:45:52 BoogieIcfgContainer [2018-07-23 19:45:52,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:45:52,156 INFO L168 Benchmark]: Toolchain (without parser) took 257130.76 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.4 GB). Peak memory consumption was 301.0 MB. Max. memory is 7.1 GB. [2018-07-23 19:45:52,158 INFO L168 Benchmark]: CDTParser took 0.50 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 19:45:52,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1410.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-07-23 19:45:52,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 251.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:45:52,160 INFO L168 Benchmark]: Boogie Preprocessor took 660.31 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 913.3 MB). Free memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:45:52,161 INFO L168 Benchmark]: RCFGBuilder took 6831.38 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 331.7 MB). Peak memory consumption was 331.7 MB. Max. memory is 7.1 GB. [2018-07-23 19:45:52,162 INFO L168 Benchmark]: TraceAbstraction took 247971.83 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 19:45:52,167 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1410.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 251.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 660.31 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 913.3 MB). Free memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6831.38 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 331.7 MB). Peak memory consumption was 331.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247971.83 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 28]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 28). Cancelled while BasicCegarLoop was constructing difference of abstraction (1995states) and interpolant automaton (currently 7 states, 11 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 247.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 26.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 805 SDtfs, 1435 SDslu, 326 SDs, 0 SdLazy, 3353 SolverSat, 841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1995occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 216.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9938893895021403 AbsIntWeakeningRatio, 0.13471502590673576 AbsIntAvgWeakeningVarsNumRemoved, 541.4766839378239 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 209817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 28/105 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/Problem15_label09_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-45-52-182.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label09_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-45-52-182.csv Completed graceful shutdown