java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 13:37:22,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 13:37:22,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 13:37:22,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 13:37:22,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 13:37:22,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 13:37:22,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 13:37:22,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 13:37:22,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 13:37:22,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 13:37:22,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 13:37:22,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 13:37:22,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 13:37:22,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 13:37:22,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 13:37:22,483 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 13:37:22,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 13:37:22,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 13:37:22,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 13:37:22,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 13:37:22,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 13:37:22,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 13:37:22,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 13:37:22,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 13:37:22,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 13:37:22,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 13:37:22,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 13:37:22,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 13:37:22,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 13:37:22,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 13:37:22,504 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 13:37:22,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 13:37:22,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 13:37:22,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 13:37:22,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 13:37:22,508 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 13:37:22,508 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 13:37:22,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 13:37:22,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 13:37:22,537 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 13:37:22,537 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 13:37:22,537 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 13:37:22,538 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 13:37:22,538 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 13:37:22,538 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 13:37:22,538 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 13:37:22,541 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 13:37:22,541 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 13:37:22,541 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 13:37:22,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 13:37:22,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 13:37:22,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 13:37:22,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 13:37:22,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 13:37:22,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 13:37:22,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 13:37:22,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 13:37:22,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 13:37:22,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 13:37:22,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 13:37:22,547 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 13:37:22,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 13:37:22,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 13:37:22,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 13:37:22,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 13:37:22,548 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 13:37:22,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 13:37:22,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 13:37:22,549 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 13:37:22,549 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 13:37:22,549 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 13:37:22,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 13:37:22,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 13:37:22,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 13:37:22,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 13:37:22,637 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 13:37:22,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label33_true-unreach-call.c [2018-08-08 13:37:22,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afb01950/5b5cf1676d4e4182a1a028c77058037a/FLAG5b0e8202c [2018-08-08 13:37:23,312 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 13:37:23,316 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label33_true-unreach-call.c [2018-08-08 13:37:23,341 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afb01950/5b5cf1676d4e4182a1a028c77058037a/FLAG5b0e8202c [2018-08-08 13:37:23,364 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afb01950/5b5cf1676d4e4182a1a028c77058037a [2018-08-08 13:37:23,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 13:37:23,376 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 13:37:23,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 13:37:23,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 13:37:23,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 13:37:23,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:37:23" (1/1) ... [2018-08-08 13:37:23,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85aa627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:23, skipping insertion in model container [2018-08-08 13:37:23,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:37:23" (1/1) ... [2018-08-08 13:37:23,618 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 13:37:24,082 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:37:24,099 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 13:37:24,361 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:37:24,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24 WrapperNode [2018-08-08 13:37:24,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 13:37:24,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 13:37:24,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 13:37:24,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 13:37:24,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:24,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:24,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 13:37:24,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 13:37:24,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 13:37:24,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 13:37:24,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:24,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:24,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:24,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:25,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:25,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:25,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (1/1) ... [2018-08-08 13:37:25,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 13:37:25,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 13:37:25,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 13:37:25,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 13:37:25,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (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 [2018-08-08 13:37:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 13:37:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 13:37:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 13:37:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 13:37:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 13:37:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 13:37:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 13:37:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 13:37:31,539 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 13:37:31,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:37:31 BoogieIcfgContainer [2018-08-08 13:37:31,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 13:37:31,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 13:37:31,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 13:37:31,555 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 13:37:31,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 01:37:23" (1/3) ... [2018-08-08 13:37:31,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349c16c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:37:31, skipping insertion in model container [2018-08-08 13:37:31,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:24" (2/3) ... [2018-08-08 13:37:31,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349c16c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:37:31, skipping insertion in model container [2018-08-08 13:37:31,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:37:31" (3/3) ... [2018-08-08 13:37:31,563 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label33_true-unreach-call.c [2018-08-08 13:37:31,575 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 13:37:31,592 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 13:37:31,675 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 13:37:31,676 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 13:37:31,677 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 13:37:31,677 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 13:37:31,677 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 13:37:31,677 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 13:37:31,678 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 13:37:31,678 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 13:37:31,678 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 13:37:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 13:37:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-08-08 13:37:31,740 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:37:31,741 INFO L376 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] [2018-08-08 13:37:31,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 13:37:31,751 INFO L82 PathProgramCache]: Analyzing trace with hash 303379937, now seen corresponding path program 1 times [2018-08-08 13:37:31,754 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:37:31,755 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-08-08 13:37:31,758 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 13:37:31,825 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:37:31,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:37:34,318 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:37:34,320 INFO L272 AbstractInterpreter]: Visited 34 different actions 34 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 13:37:34,332 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:37:35,301 INFO L232 lantSequenceWeakener]: Weakened 33 states. On average, predicates are now at 74.68% of their original sizes. [2018-08-08 13:37:35,302 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:37:35,703 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:37:35,704 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:37:35,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 13:37:35,705 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:37:35,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 13:37:35,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 13:37:35,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 13:37:35,723 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 13:37:45,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:37:45,746 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 13:37:45,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 13:37:45,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-08-08 13:37:45,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:37:45,770 INFO L225 Difference]: With dead ends: 776 [2018-08-08 13:37:45,771 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 13:37:45,779 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 13:37:45,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 13:37:45,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 13:37:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 13:37:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 13:37:45,870 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 35 [2018-08-08 13:37:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:37:45,871 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 13:37:45,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 13:37:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 13:37:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-08-08 13:37:45,879 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:37:45,880 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 13:37:45,880 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 13:37:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1702344025, now seen corresponding path program 1 times [2018-08-08 13:37:45,881 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:37:45,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-08-08 13:37:45,882 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:37:45,898 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:37:45,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:37:58,789 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:38:27,120 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:38:27,121 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:38:27,130 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:38:30,998 INFO L232 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 73.48% of their original sizes. [2018-08-08 13:38:30,999 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:38:32,252 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:38:32,253 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:38:32,253 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:38:32,253 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:38:32,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:38:32,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:38:32,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:38:32,255 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-08-08 13:38:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:38:49,745 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-08-08 13:38:49,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:38:49,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2018-08-08 13:38:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:38:49,755 INFO L225 Difference]: With dead ends: 959 [2018-08-08 13:38:49,756 INFO L226 Difference]: Without dead ends: 676 [2018-08-08 13:38:49,759 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:38:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-08-08 13:38:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-08-08 13:38:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-08-08 13:38:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-08-08 13:38:49,805 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 152 [2018-08-08 13:38:49,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:38:49,806 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-08-08 13:38:49,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:38:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-08-08 13:38:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-08-08 13:38:49,810 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:38:49,811 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 13:38:49,811 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 13:38:49,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1026813709, now seen corresponding path program 1 times [2018-08-08 13:38:49,812 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:38:49,812 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-08-08 13:38:49,812 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:38:49,819 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:38:49,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:39:18,934 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:39:34,335 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:39:34,336 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:39:34,343 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:39:37,701 INFO L232 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 73.46% of their original sizes. [2018-08-08 13:39:37,701 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:39:38,536 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:39:38,537 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:39:38,537 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:39:38,537 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:39:38,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:39:38,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:39:38,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:39:38,538 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-08-08 13:39:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:39:58,536 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-08-08 13:39:58,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:39:58,542 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2018-08-08 13:39:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:39:58,547 INFO L225 Difference]: With dead ends: 1153 [2018-08-08 13:39:58,548 INFO L226 Difference]: Without dead ends: 870 [2018-08-08 13:39:58,549 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:39:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-08-08 13:39:58,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-08-08 13:39:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-08-08 13:39:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-08-08 13:39:58,589 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 162 [2018-08-08 13:39:58,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:39:58,590 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-08-08 13:39:58,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:39:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-08-08 13:39:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-08-08 13:39:58,594 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:39:58,595 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 13:39:58,595 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 13:39:58,595 INFO L82 PathProgramCache]: Analyzing trace with hash 422545541, now seen corresponding path program 1 times [2018-08-08 13:39:58,595 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:39:58,596 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-08-08 13:39:58,596 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:39:58,603 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:39:58,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:40:53,432 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:41:34,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:41:34,374 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:41:34,381 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:41:40,591 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 73.51% of their original sizes. [2018-08-08 13:41:40,591 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:41:43,044 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:41:43,045 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:41:43,045 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-08-08 13:41:43,045 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:41:43,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-08-08 13:41:43,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-08-08 13:41:43,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2018-08-08 13:41:43,047 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 19 states. Received shutdown request... [2018-08-08 13:41:49,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 13:41:49,874 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 13:41:49,881 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 13:41:49,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 01:41:49 BoogieIcfgContainer [2018-08-08 13:41:49,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 13:41:49,883 INFO L168 Benchmark]: Toolchain (without parser) took 266508.40 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,885 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-08-08 13:41:49,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1074.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.86 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,887 INFO L168 Benchmark]: Boogie Preprocessor took 437.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 820.5 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -941.8 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,888 INFO L168 Benchmark]: RCFGBuilder took 6435.94 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 186.8 MB). Peak memory consumption was 186.8 MB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,889 INFO L168 Benchmark]: TraceAbstraction took 258334.03 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -479.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-08-08 13:41:49,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1074.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 212.86 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 437.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 820.5 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -941.8 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6435.94 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 186.8 MB). Peak memory consumption was 186.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258334.03 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -479.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 90). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 14 states, 19 states before enhancement), while ReachableStatesComputation was computing reachable states (332 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 258.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 54.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 889 SDtfs, 3241 SDslu, 1330 SDs, 0 SdLazy, 7982 SolverSat, 603 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 541 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 184.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9936056420431426 AbsIntWeakeningRatio, 0.162109375 AbsIntAvgWeakeningVarsNumRemoved, 63.384765625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/Problem11_label33_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_13-41-49-908.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label33_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_13-41-49-908.csv Completed graceful shutdown