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/Problem15_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:23:56,770 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:23:56,772 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:23:56,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:23:56,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:23:56,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:23:56,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:23:56,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:23:56,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:23:56,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:23:56,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:23:56,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:23:56,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:23:56,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:23:56,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:23:56,797 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:23:56,798 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:23:56,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:23:56,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:23:56,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:23:56,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:23:56,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:23:56,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 14:23:56,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 14:23:56,809 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 14:23:56,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 14:23:56,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 14:23:56,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 14:23:56,813 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 14:23:56,814 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 14:23:56,814 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 14:23:56,815 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 14:23:56,815 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:23:56,815 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:23:56,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:23:56,817 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:23:56,817 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 14:23:56,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:23:56,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:23:56,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:23:56,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:23:56,840 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:23:56,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:23:56,841 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:23:56,841 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:23:56,841 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:23:56,841 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:23:56,842 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:23:56,842 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:23:56,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:23:56,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:23:56,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:23:56,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:23:56,845 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:23:56,845 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:23:56,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:23:56,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:23:56,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:23:56,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:23:56,846 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:23:56,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:23:56,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:23:56,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:23:56,848 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:23:56,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:23:56,849 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:23:56,849 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:23:56,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:23:56,849 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:23:56,849 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:23:56,850 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:23:56,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:23:56,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:23:56,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:23:56,941 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:23:56,941 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:23:56,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label57_true-unreach-call.c [2018-08-08 14:23:57,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274799554/1ecaa6c6152a4df397635f47d9015c9c/FLAG63abba74f [2018-08-08 14:23:57,800 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:23:57,801 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label57_true-unreach-call.c [2018-08-08 14:23:57,830 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274799554/1ecaa6c6152a4df397635f47d9015c9c/FLAG63abba74f [2018-08-08 14:23:57,847 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274799554/1ecaa6c6152a4df397635f47d9015c9c [2018-08-08 14:23:57,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:23:57,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:23:57,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:23:57,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:23:57,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:23:57,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:23:57" (1/1) ... [2018-08-08 14:23:57,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d23126d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:57, skipping insertion in model container [2018-08-08 14:23:57,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:23:57" (1/1) ... [2018-08-08 14:23:58,142 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:23:58,755 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:23:58,771 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:23:59,067 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:23:59,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59 WrapperNode [2018-08-08 14:23:59,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:23:59,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:23:59,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:23:59,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:23:59,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:23:59,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:23:59,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:23:59,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:23:59,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:23:59,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:23:59,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:23:59,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:23:59,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:23:59,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:24:00,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:24:00,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:24:00,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (1/1) ... [2018-08-08 14:24:00,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:24:00,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:24:00,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:24:00,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:24:00,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (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 14:24:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:24:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:24:00,207 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 14:24:00,207 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 14:24:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:24:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:24:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:24:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:24:00,208 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_output2 [2018-08-08 14:24:00,209 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_output2 [2018-08-08 14:24:07,510 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:24:07,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:24:07 BoogieIcfgContainer [2018-08-08 14:24:07,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:24:07,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:24:07,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:24:07,515 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:24:07,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:23:57" (1/3) ... [2018-08-08 14:24:07,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51313d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:24:07, skipping insertion in model container [2018-08-08 14:24:07,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:23:59" (2/3) ... [2018-08-08 14:24:07,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51313d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:24:07, skipping insertion in model container [2018-08-08 14:24:07,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:24:07" (3/3) ... [2018-08-08 14:24:07,522 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label57_true-unreach-call.c [2018-08-08 14:24:07,535 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:24:07,549 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:24:07,623 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:24:07,623 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:24:07,624 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:24:07,624 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:24:07,624 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:24:07,624 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:24:07,624 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:24:07,625 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:24:07,625 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:24:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-08-08 14:24:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-08-08 14:24:07,683 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:24:07,684 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] [2018-08-08 14:24:07,685 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 14:24:07,693 INFO L82 PathProgramCache]: Analyzing trace with hash -616882708, now seen corresponding path program 1 times [2018-08-08 14:24:07,696 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:24:07,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 49 with the following transitions: [2018-08-08 14:24:07,700 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], [285], [287], [1567], [1571], [1577], [1581], [1662], [1663], [1664], [1666] [2018-08-08 14:24:07,785 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:24:07,785 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:24:09,315 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:24:09,317 INFO L272 AbstractInterpreter]: Visited 47 different actions 47 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 14:24:09,368 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:24:10,189 INFO L232 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 80.39% of their original sizes. [2018-08-08 14:24:10,189 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:24:10,508 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:24:10,510 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:24:10,510 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:24:10,511 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:24:10,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:24:10,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:24:10,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:24:10,527 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-08-08 14:24:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:24:25,634 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-08-08 14:24:25,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:24:25,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-08-08 14:24:25,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:24:25,659 INFO L225 Difference]: With dead ends: 1184 [2018-08-08 14:24:25,659 INFO L226 Difference]: Without dead ends: 744 [2018-08-08 14:24:25,670 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:24:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-08-08 14:24:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-08-08 14:24:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-08-08 14:24:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-08-08 14:24:25,776 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 48 [2018-08-08 14:24:25,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:24:25,777 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-08-08 14:24:25,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:24:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-08-08 14:24:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-08-08 14:24:25,785 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:24:25,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:25,786 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 14:24:25,786 INFO L82 PathProgramCache]: Analyzing trace with hash 270825941, now seen corresponding path program 1 times [2018-08-08 14:24:25,787 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:24:25,787 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-08-08 14:24:25,788 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], [285], [287], [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], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 14:24:25,795 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:24:25,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:24:29,935 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:24:42,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:24:42,456 INFO L272 AbstractInterpreter]: Visited 103 different actions 296 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 14:24:42,463 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:24:45,060 INFO L232 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 78.35% of their original sizes. [2018-08-08 14:24:45,060 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:24:51,652 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:24:51,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:24:51,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-08-08 14:24:51,652 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:24:51,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-08-08 14:24:51,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-08-08 14:24:51,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-08-08 14:24:51,655 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 17 states. [2018-08-08 14:25:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:25:36,669 INFO L93 Difference]: Finished difference Result 2560 states and 4580 transitions. [2018-08-08 14:25:36,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-08-08 14:25:36,670 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 144 [2018-08-08 14:25:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:25:36,683 INFO L225 Difference]: With dead ends: 2560 [2018-08-08 14:25:36,683 INFO L226 Difference]: Without dead ends: 2132 [2018-08-08 14:25:36,688 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 80 SyntacticMatches, 48 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=255, Invalid=867, Unknown=0, NotChecked=0, Total=1122 [2018-08-08 14:25:36,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-08-08 14:25:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 1407. [2018-08-08 14:25:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1407 states. [2018-08-08 14:25:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 1766 transitions. [2018-08-08 14:25:36,756 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 1766 transitions. Word has length 144 [2018-08-08 14:25:36,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:25:36,757 INFO L480 AbstractCegarLoop]: Abstraction has 1407 states and 1766 transitions. [2018-08-08 14:25:36,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-08-08 14:25:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1766 transitions. [2018-08-08 14:25:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-08-08 14:25:36,768 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:25:36,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:36,769 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 14:25:36,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2096564824, now seen corresponding path program 1 times [2018-08-08 14:25:36,770 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:25:36,770 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-08-08 14:25:36,771 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], [285], [287], [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], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1306], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 14:25:36,785 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:25:36,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:25:47,895 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:26:26,154 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:26:26,155 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 14:26:26,185 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:26:31,162 INFO L232 lantSequenceWeakener]: Weakened 284 states. On average, predicates are now at 77.81% of their original sizes. [2018-08-08 14:26:31,163 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:26:42,559 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:26:42,559 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:26:42,559 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-08-08 14:26:42,559 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:26:42,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-08-08 14:26:42,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-08-08 14:26:42,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-08-08 14:26:42,561 INFO L87 Difference]: Start difference. First operand 1407 states and 1766 transitions. Second operand 17 states. [2018-08-08 14:27:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:27:20,964 INFO L93 Difference]: Finished difference Result 3030 states and 4882 transitions. [2018-08-08 14:27:20,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-08-08 14:27:20,966 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 286 [2018-08-08 14:27:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:27:20,980 INFO L225 Difference]: With dead ends: 3030 [2018-08-08 14:27:20,981 INFO L226 Difference]: Without dead ends: 2602 [2018-08-08 14:27:20,984 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 303 GetRequests, 183 SyntacticMatches, 87 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2018-08-08 14:27:20,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2018-08-08 14:27:21,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2112. [2018-08-08 14:27:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2018-08-08 14:27:21,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2498 transitions. [2018-08-08 14:27:21,064 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2498 transitions. Word has length 286 [2018-08-08 14:27:21,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:27:21,065 INFO L480 AbstractCegarLoop]: Abstraction has 2112 states and 2498 transitions. [2018-08-08 14:27:21,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-08-08 14:27:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2498 transitions. [2018-08-08 14:27:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-08-08 14:27:21,075 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:27:21,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:21,076 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 14:27:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1433593010, now seen corresponding path program 1 times [2018-08-08 14:27:21,076 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:27:21,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-08-08 14:27:21,078 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], [285], [287], [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], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1307], [1311], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1380], [1384], [1388], [1399], [1403], [1414], [1418], [1422], [1426], [1430], [1434], [1438], [1442], [1446], [1450], [1454], [1458], [1462], [1466], [1470], [1474], [1478], [1482], [1486], [1489], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-08-08 14:27:21,095 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:27:21,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:27:33,960 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:28:16,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:28:16,936 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 14:28:16,969 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-08-08 14:28:21,205 INFO L232 lantSequenceWeakener]: Weakened 321 states. On average, predicates are now at 77.75% of their original sizes. [2018-08-08 14:28:21,205 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:28:21,220 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:28:21,223 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:28:21,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:28:21 BoogieIcfgContainer [2018-08-08 14:28:21,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:28:21,225 INFO L168 Benchmark]: Toolchain (without parser) took 263365.10 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,227 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 14:28:21,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.36 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,230 INFO L168 Benchmark]: Boogie Preprocessor took 644.68 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 891.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,231 INFO L168 Benchmark]: RCFGBuilder took 7384.85 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 324.3 MB). Peak memory consumption was 324.3 MB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,233 INFO L168 Benchmark]: TraceAbstraction took 253712.48 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 760.7 MB. Max. memory is 7.1 GB. [2018-08-08 14:28:21,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1367.36 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 249.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 644.68 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 891.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7384.85 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 324.3 MB). Peak memory consumption was 324.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253712.48 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 760.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 130). Cancelled while BasicCegarLoop was analyzing trace of length 324 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 253.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 98.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1395 SDtfs, 10857 SDslu, 1761 SDs, 0 SdLazy, 15593 SolverSat, 2059 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 510 GetRequests, 306 SyntacticMatches, 135 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2112occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 123.6s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9956742428375182 AbsIntWeakeningRatio, 0.09284818067754078 AbsIntAvgWeakeningVarsNumRemoved, 25.943538268506902 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 1217 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/Problem15_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-28-21-257.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label57_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-28-21-257.csv Completed graceful shutdown