java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 19:54:46,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 19:54:46,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 19:54:46,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 19:54:46,508 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 19:54:46,509 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 19:54:46,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 19:54:46,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 19:54:46,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 19:54:46,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 19:54:46,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 19:54:46,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 19:54:46,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 19:54:46,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 19:54:46,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 19:54:46,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 19:54:46,528 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 19:54:46,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 19:54:46,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 19:54:46,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 19:54:46,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 19:54:46,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 19:54:46,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 19:54:46,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 19:54:46,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 19:54:46,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 19:54:46,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 19:54:46,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 19:54:46,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 19:54:46,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 19:54:46,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 19:54:46,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 19:54:46,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 19:54:46,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 19:54:46,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 19:54:46,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 19:54:46,560 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 19:54:46,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 19:54:46,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 19:54:46,585 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 19:54:46,585 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 19:54:46,585 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 19:54:46,585 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 19:54:46,586 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 19:54:46,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 19:54:46,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 19:54:46,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 19:54:46,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 19:54:46,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 19:54:46,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 19:54:46,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 19:54:46,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 19:54:46,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 19:54:46,589 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 19:54:46,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 19:54:46,590 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 19:54:46,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 19:54:46,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 19:54:46,590 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 19:54:46,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 19:54:46,591 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 19:54:46,592 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 19:54:46,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 19:54:46,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 19:54:46,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 19:54:46,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 19:54:46,666 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 19:54:46,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label38_true-unreach-call.c [2018-07-21 19:54:47,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9963eac3a/8e0752b82a1342fc837d5aed5afee97d/FLAG19059c02a [2018-07-21 19:54:47,487 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 19:54:47,488 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label38_true-unreach-call.c [2018-07-21 19:54:47,521 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9963eac3a/8e0752b82a1342fc837d5aed5afee97d/FLAG19059c02a [2018-07-21 19:54:47,543 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/9963eac3a/8e0752b82a1342fc837d5aed5afee97d [2018-07-21 19:54:47,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 19:54:47,563 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 19:54:47,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 19:54:47,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 19:54:47,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 19:54:47,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:54:47" (1/1) ... [2018-07-21 19:54:47,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7a816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:47, skipping insertion in model container [2018-07-21 19:54:47,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:54:47" (1/1) ... [2018-07-21 19:54:47,915 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 19:54:48,820 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 19:54:48,839 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 19:54:49,315 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 19:54:49,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49 WrapperNode [2018-07-21 19:54:49,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 19:54:49,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 19:54:49,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 19:54:49,499 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 19:54:49,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:49,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:49,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 19:54:49,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 19:54:49,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 19:54:49,858 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 19:54:49,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:49,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:49,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:49,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:50,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:50,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:50,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... [2018-07-21 19:54:50,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 19:54:50,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 19:54:50,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 19:54:50,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 19:54:50,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 19:54:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 19:54:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 19:54:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 19:54:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 19:54:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 19:54:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 19:54:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 19:54:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-21 19:54:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 19:54:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-21 19:55:03,083 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 19:55:03,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:55:03 BoogieIcfgContainer [2018-07-21 19:55:03,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 19:55:03,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 19:55:03,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 19:55:03,089 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 19:55:03,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 07:54:47" (1/3) ... [2018-07-21 19:55:03,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6898c135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:55:03, skipping insertion in model container [2018-07-21 19:55:03,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:54:49" (2/3) ... [2018-07-21 19:55:03,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6898c135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:55:03, skipping insertion in model container [2018-07-21 19:55:03,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:55:03" (3/3) ... [2018-07-21 19:55:03,092 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label38_true-unreach-call.c [2018-07-21 19:55:03,103 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 19:55:03,114 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 19:55:03,179 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 19:55:03,180 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 19:55:03,180 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 19:55:03,180 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 19:55:03,181 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 19:55:03,181 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 19:55:03,181 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 19:55:03,181 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 19:55:03,181 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 19:55:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-07-21 19:55:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-21 19:55:03,235 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 19:55:03,236 INFO L358 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] [2018-07-21 19:55:03,236 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 19:55:03,241 INFO L82 PathProgramCache]: Analyzing trace with hash -595133218, now seen corresponding path program 1 times [2018-07-21 19:55:03,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 19:55:03,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 19:55:03,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 19:55:03,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 19:55:03,301 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 19:55:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 19:55:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 19:55:03,855 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 19:55:03,855 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 19:55:03,856 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 19:55:03,860 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 19:55:03,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 19:55:03,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 19:55:03,879 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-07-21 19:55:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 19:55:14,395 INFO L93 Difference]: Finished difference Result 2118 states and 3937 transitions. [2018-07-21 19:55:14,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 19:55:14,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-07-21 19:55:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 19:55:14,428 INFO L225 Difference]: With dead ends: 2118 [2018-07-21 19:55:14,429 INFO L226 Difference]: Without dead ends: 1508 [2018-07-21 19:55:14,442 INFO L578 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 [2018-07-21 19:55:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2018-07-21 19:55:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1039. [2018-07-21 19:55:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-07-21 19:55:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1596 transitions. [2018-07-21 19:55:14,629 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1596 transitions. Word has length 59 [2018-07-21 19:55:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 19:55:14,631 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1596 transitions. [2018-07-21 19:55:14,631 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 19:55:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1596 transitions. [2018-07-21 19:55:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-21 19:55:14,642 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 19:55:14,642 INFO L358 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, 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] [2018-07-21 19:55:14,643 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 19:55:14,643 INFO L82 PathProgramCache]: Analyzing trace with hash 985868817, now seen corresponding path program 1 times [2018-07-21 19:55:14,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 19:55:14,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 19:55:14,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 19:55:14,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 19:55:14,648 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 19:55:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 19:55:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 19:55:15,509 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 19:55:15,510 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 19:55:15,511 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-07-21 19:55:15,514 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], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1106], [1108], [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] [2018-07-21 19:55:15,593 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 19:55:15,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 19:55:21,439 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 19:55:45,446 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 19:55:45,448 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. [2018-07-21 19:55:45,494 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 19:55:54,370 INFO L232 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 76.36% of their original sizes. [2018-07-21 19:55:54,370 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 19:56:26,046 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 19:56:26,047 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 19:56:26,047 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [56] imperfect sequences [7] total 61 [2018-07-21 19:56:26,047 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 19:56:26,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-21 19:56:26,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-21 19:56:26,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=1996, Unknown=0, NotChecked=0, Total=3080 [2018-07-21 19:56:26,053 INFO L87 Difference]: Start difference. First operand 1039 states and 1596 transitions. Second operand 56 states. Received shutdown request... [2018-07-21 19:58:14,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 19:58:14,958 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 19:58:14,963 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 19:58:14,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 07:58:14 BoogieIcfgContainer [2018-07-21 19:58:14,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 19:58:14,964 INFO L168 Benchmark]: Toolchain (without parser) took 207407.00 ms. Allocated memory was 302.0 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 239.4 MB in the beginning and 934.6 MB in the end (delta: -695.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,966 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 19:58:14,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1930.15 ms. Allocated memory was 302.0 MB in the beginning and 334.5 MB in the end (delta: 32.5 MB). Free memory was 239.4 MB in the beginning and 167.5 MB in the end (delta: 71.8 MB). Peak memory consumption was 104.3 MB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 359.05 ms. Allocated memory was 334.5 MB in the beginning and 401.6 MB in the end (delta: 67.1 MB). Free memory was 167.5 MB in the beginning and 295.2 MB in the end (delta: -127.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,968 INFO L168 Benchmark]: Boogie Preprocessor took 986.78 ms. Allocated memory was 401.6 MB in the beginning and 584.6 MB in the end (delta: 183.0 MB). Free memory was 295.2 MB in the beginning and 491.2 MB in the end (delta: -196.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,968 INFO L168 Benchmark]: RCFGBuilder took 12238.48 ms. Allocated memory was 584.6 MB in the beginning and 683.1 MB in the end (delta: 98.6 MB). Free memory was 491.2 MB in the beginning and 482.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 212.6 MB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,969 INFO L168 Benchmark]: TraceAbstraction took 191878.99 ms. Allocated memory was 683.1 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 482.4 MB in the beginning and 934.6 MB in the end (delta: -452.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-07-21 19:58:14,973 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1930.15 ms. Allocated memory was 302.0 MB in the beginning and 334.5 MB in the end (delta: 32.5 MB). Free memory was 239.4 MB in the beginning and 167.5 MB in the end (delta: 71.8 MB). Peak memory consumption was 104.3 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 359.05 ms. Allocated memory was 334.5 MB in the beginning and 401.6 MB in the end (delta: 67.1 MB). Free memory was 167.5 MB in the beginning and 295.2 MB in the end (delta: -127.7 MB). Peak memory consumption was 29.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 986.78 ms. Allocated memory was 401.6 MB in the beginning and 584.6 MB in the end (delta: 183.0 MB). Free memory was 295.2 MB in the beginning and 491.2 MB in the end (delta: -196.0 MB). Peak memory consumption was 54.5 MB. Max. memory is 5.3 GB. * RCFGBuilder took 12238.48 ms. Allocated memory was 584.6 MB in the beginning and 683.1 MB in the end (delta: 98.6 MB). Free memory was 491.2 MB in the beginning and 482.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 212.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 191878.99 ms. Allocated memory was 683.1 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 482.4 MB in the beginning and 934.6 MB in the end (delta: -452.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 164]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 164). Cancelled while BasicCegarLoop was constructing difference of abstraction (1039states) and interpolant automaton (currently 13 states, 56 states before enhancement), while ReachableStatesComputation was computing reachable states (2001 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 191.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 119.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 906 SDtfs, 16008 SDslu, 617 SDs, 0 SdLazy, 5100 SolverSat, 1330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 148 GetRequests, 63 SyntacticMatches, 20 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2117 ImplicationChecksByTransitivity, 32.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1039occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 29.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9933024869866975 AbsIntWeakeningRatio, 0.15789473684210525 AbsIntAvgWeakeningVarsNumRemoved, 104.47368421052632 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 469 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 87931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/52 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label38_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_19-58-14-986.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label38_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_19-58-14-986.csv Completed graceful shutdown