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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label28_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 05:41:52,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 05:41:52,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 05:41:52,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 05:41:52,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 05:41:52,759 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 05:41:52,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 05:41:52,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 05:41:52,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 05:41:52,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 05:41:52,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 05:41:52,766 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 05:41:52,767 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 05:41:52,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 05:41:52,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 05:41:52,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 05:41:52,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 05:41:52,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 05:41:52,774 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 05:41:52,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 05:41:52,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 05:41:52,778 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 05:41:52,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 05:41:52,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-08-08 05:41:52,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 05:41:52,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 05:41:52,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 05:41:52,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 05:41:52,810 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 05:41:52,810 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 05:41:52,810 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 05:41:52,810 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 05:41:52,810 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 05:41:52,811 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 05:41:52,811 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 05:41:52,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 05:41:52,812 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 05:41:52,812 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 05:41:52,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 05:41:52,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 05:41:52,813 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 05:41:52,813 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 05:41:52,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 05:41:52,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 05:41:52,813 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 05:41:52,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 05:41:52,814 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 05:41:52,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 05:41:52,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 05:41:52,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 05:41:52,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 05:41:52,815 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 05:41:52,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 05:41:52,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 05:41:52,815 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 05:41:52,816 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 05:41:52,816 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 05:41:52,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 05:41:52,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 05:41:52,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 05:41:52,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 05:41:52,881 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 05:41:52,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label28_true-unreach-call.c [2018-08-08 05:41:53,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1129fc70d/547d0d9970f7452fb978aef92768bc89/FLAG4052cbd99 [2018-08-08 05:41:53,568 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 05:41:53,571 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label28_true-unreach-call.c [2018-08-08 05:41:53,600 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1129fc70d/547d0d9970f7452fb978aef92768bc89/FLAG4052cbd99 [2018-08-08 05:41:53,625 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1129fc70d/547d0d9970f7452fb978aef92768bc89 [2018-08-08 05:41:53,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 05:41:53,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 05:41:53,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 05:41:53,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 05:41:53,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 05:41:53,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:41:53" (1/1) ... [2018-08-08 05:41:53,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac07ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:53, skipping insertion in model container [2018-08-08 05:41:53,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:41:53" (1/1) ... [2018-08-08 05:41:53,886 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 05:41:54,271 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:41:54,288 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 05:41:54,437 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:41:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54 WrapperNode [2018-08-08 05:41:54,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 05:41:54,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 05:41:54,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 05:41:54,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 05:41:54,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:54,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:54,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 05:41:54,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 05:41:54,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 05:41:54,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 05:41:54,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:54,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:54,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:54,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:55,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:55,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:55,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (1/1) ... [2018-08-08 05:41:55,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 05:41:55,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 05:41:55,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 05:41:55,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 05:41:55,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (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 05:41:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 05:41:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 05:41:55,187 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 05:41:55,187 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 05:41:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 05:41:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 05:41:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 05:41:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 05:42:00,585 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 05:42:00,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:42:00 BoogieIcfgContainer [2018-08-08 05:42:00,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 05:42:00,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 05:42:00,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 05:42:00,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 05:42:00,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:41:53" (1/3) ... [2018-08-08 05:42:00,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd5e109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:42:00, skipping insertion in model container [2018-08-08 05:42:00,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:41:54" (2/3) ... [2018-08-08 05:42:00,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd5e109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:42:00, skipping insertion in model container [2018-08-08 05:42:00,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:42:00" (3/3) ... [2018-08-08 05:42:00,595 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label28_true-unreach-call.c [2018-08-08 05:42:00,605 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 05:42:00,618 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 05:42:00,674 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 05:42:00,675 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 05:42:00,675 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 05:42:00,675 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 05:42:00,675 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 05:42:00,675 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 05:42:00,676 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 05:42:00,676 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 05:42:00,676 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 05:42:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 05:42:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-08-08 05:42:00,716 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:42:00,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:42:00,719 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 05:42:00,725 INFO L82 PathProgramCache]: Analyzing trace with hash -718311439, now seen corresponding path program 1 times [2018-08-08 05:42:00,727 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:42:00,729 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 56 with the following transitions: [2018-08-08 05:42:00,732 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 05:42:00,816 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:42:00,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:42:03,791 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:42:03,793 INFO L272 AbstractInterpreter]: Visited 54 different actions 54 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 05:42:03,811 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:42:05,017 INFO L232 lantSequenceWeakener]: Weakened 53 states. On average, predicates are now at 75.53% of their original sizes. [2018-08-08 05:42:05,017 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:42:05,442 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:42:05,444 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:42:05,444 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 05:42:05,444 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:42:05,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 05:42:05,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 05:42:05,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:42:05,466 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 05:42:15,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:42:15,988 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 05:42:15,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 05:42:15,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-08-08 05:42:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:42:16,010 INFO L225 Difference]: With dead ends: 776 [2018-08-08 05:42:16,010 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 05:42:16,018 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 54 GetRequests, 50 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 05:42:16,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 05:42:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 05:42:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 05:42:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 05:42:16,116 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 55 [2018-08-08 05:42:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:42:16,116 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 05:42:16,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 05:42:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 05:42:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-08-08 05:42:16,128 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:42:16,129 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, 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] [2018-08-08 05:42:16,129 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 05:42:16,132 INFO L82 PathProgramCache]: Analyzing trace with hash 945685673, now seen corresponding path program 1 times [2018-08-08 05:42:16,133 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:42:16,133 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-08-08 05:42:16,134 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [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 05:42:16,148 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:42:16,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:42:40,620 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:45:16,416 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:45:16,417 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 05:45:16,463 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:45:54,459 INFO L232 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 73.91% of their original sizes. [2018-08-08 05:45:54,459 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:45:57,629 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:45:57,630 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:45:57,630 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 05:45:57,630 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:45:57,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 05:45:57,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 05:45:57,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-08-08 05:45:57,633 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. Received shutdown request... [2018-08-08 05:45:57,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-08 05:45:57,733 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 05:45:57,740 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 05:45:57,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:45:57 BoogieIcfgContainer [2018-08-08 05:45:57,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 05:45:57,742 INFO L168 Benchmark]: Toolchain (without parser) took 244104.02 ms. Allocated memory was 1.5 GB in the beginning and 4.9 GB in the end (delta: 3.4 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 2.2 GB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,745 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 05:45:57,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.90 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.23 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,747 INFO L168 Benchmark]: Boogie Preprocessor took 392.13 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 839.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -962.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,748 INFO L168 Benchmark]: RCFGBuilder took 5476.34 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: 210.1 MB). Peak memory consumption was 210.1 MB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,749 INFO L168 Benchmark]: TraceAbstraction took 237153.72 ms. Allocated memory was 2.4 GB in the beginning and 4.9 GB in the end (delta: 2.5 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -489.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-08-08 05:45:57,754 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 866.90 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 207.23 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 392.13 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 839.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -962.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5476.34 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: 210.1 MB). Peak memory consumption was 210.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237153.72 ms. Allocated memory was 2.4 GB in the beginning and 4.9 GB in the end (delta: 2.5 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -489.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 150). Cancelled while BasicCegarLoop was constructing difference of abstraction (479states) and FLOYD_HOARE automaton (currently 3 states, 11 states before enhancement), while ReachableStatesComputation was computing reachable states (2 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 237.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 10.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 305 SDtfs, 194 SDslu, 279 SDs, 0 SdLazy, 1592 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 225 GetRequests, 169 SyntacticMatches, 43 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 183.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9932799710577487 AbsIntWeakeningRatio, 0.1688888888888889 AbsIntAvgWeakeningVarsNumRemoved, 291.02666666666664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 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_label28_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_05-45-57-768.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label28_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_05-45-57-768.csv Completed graceful shutdown