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_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 13:41:11,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 13:41:11,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 13:41:11,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 13:41:11,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 13:41:11,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 13:41:11,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 13:41:11,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 13:41:11,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 13:41:11,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 13:41:11,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 13:41:11,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 13:41:11,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 13:41:11,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 13:41:11,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 13:41:11,754 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 13:41:11,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 13:41:11,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 13:41:11,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 13:41:11,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 13:41:11,767 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 13:41:11,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 13:41:11,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 13:41:11,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 13:41:11,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 13:41:11,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 13:41:11,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 13:41:11,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 13:41:11,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 13:41:11,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 13:41:11,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 13:41:11,788 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 13:41:11,788 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 13:41:11,788 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 13:41:11,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 13:41:11,793 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 13:41:11,793 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 13:41:11,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 13:41:11,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 13:41:11,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 13:41:11,821 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 13:41:11,821 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 13:41:11,822 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 13:41:11,822 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 13:41:11,823 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 13:41:11,823 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 13:41:11,823 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 13:41:11,823 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 13:41:11,824 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 13:41:11,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 13:41:11,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 13:41:11,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 13:41:11,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 13:41:11,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 13:41:11,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 13:41:11,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 13:41:11,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 13:41:11,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 13:41:11,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 13:41:11,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 13:41:11,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 13:41:11,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 13:41:11,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 13:41:11,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 13:41:11,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 13:41:11,829 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 13:41:11,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 13:41:11,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 13:41:11,830 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 13:41:11,830 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 13:41:11,830 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 13:41:11,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 13:41:11,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 13:41:11,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 13:41:11,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 13:41:11,926 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 13:41:11,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-08-08 13:41:12,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3a5254/770448710a6b4bf2baa5b4464f14e8de/FLAG143ac3ee5 [2018-08-08 13:41:12,674 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 13:41:12,676 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-08-08 13:41:12,697 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3a5254/770448710a6b4bf2baa5b4464f14e8de/FLAG143ac3ee5 [2018-08-08 13:41:12,719 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77c3a5254/770448710a6b4bf2baa5b4464f14e8de [2018-08-08 13:41:12,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 13:41:12,735 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 13:41:12,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 13:41:12,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 13:41:12,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 13:41:12,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:41:12" (1/1) ... [2018-08-08 13:41:12,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250494a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:12, skipping insertion in model container [2018-08-08 13:41:12,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:41:12" (1/1) ... [2018-08-08 13:41:13,043 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 13:41:13,432 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:41:13,449 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 13:41:13,666 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:41:13,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13 WrapperNode [2018-08-08 13:41:13,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 13:41:13,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 13:41:13,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 13:41:13,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 13:41:13,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:13,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:13,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 13:41:13,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 13:41:13,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 13:41:13,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 13:41:14,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (1/1) ... [2018-08-08 13:41:14,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 13:41:14,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 13:41:14,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 13:41:14,330 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 13:41:14,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (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 13:41:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 13:41:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 13:41:14,407 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 13:41:14,407 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 13:41:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 13:41:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 13:41:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 13:41:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 13:41:19,910 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 13:41:19,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:41:19 BoogieIcfgContainer [2018-08-08 13:41:19,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 13:41:19,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 13:41:19,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 13:41:19,915 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 13:41:19,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 01:41:12" (1/3) ... [2018-08-08 13:41:19,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:41:19, skipping insertion in model container [2018-08-08 13:41:19,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:13" (2/3) ... [2018-08-08 13:41:19,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:41:19, skipping insertion in model container [2018-08-08 13:41:19,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:41:19" (3/3) ... [2018-08-08 13:41:19,919 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label52_true-unreach-call.c [2018-08-08 13:41:19,928 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 13:41:19,937 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 13:41:19,993 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 13:41:19,994 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 13:41:19,994 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 13:41:19,994 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 13:41:19,994 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 13:41:19,994 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 13:41:19,995 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 13:41:19,995 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 13:41:19,995 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 13:41:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 13:41:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-08-08 13:41:20,037 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:41:20,038 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, 1, 1, 1, 1] [2018-08-08 13:41:20,040 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 13:41:20,047 INFO L82 PathProgramCache]: Analyzing trace with hash -684847423, now seen corresponding path program 1 times [2018-08-08 13:41:20,050 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:41:20,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 60 with the following transitions: [2018-08-08 13:41:20,054 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], [345], [353], [361], [369], [373], [375], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 13:41:20,124 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:41:20,124 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:41:25,200 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:41:25,202 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 13:41:25,215 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:41:26,571 INFO L232 lantSequenceWeakener]: Weakened 57 states. On average, predicates are now at 75.62% of their original sizes. [2018-08-08 13:41:26,571 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:41:26,954 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:41:26,955 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:41:26,956 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 13:41:26,956 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:41:26,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 13:41:26,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 13:41:26,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 13:41:26,973 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 13:41:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:41:36,694 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 13:41:36,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 13:41:36,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-08-08 13:41:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:41:36,717 INFO L225 Difference]: With dead ends: 776 [2018-08-08 13:41:36,717 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 13:41:36,725 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 58 GetRequests, 54 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 13:41:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 13:41:36,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 13:41:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 13:41:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 13:41:36,821 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 59 [2018-08-08 13:41:36,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:41:36,822 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 13:41:36,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 13:41:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 13:41:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-08-08 13:41:36,832 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:41:36,832 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, 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] [2018-08-08 13:41:36,833 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 13:41:36,833 INFO L82 PathProgramCache]: Analyzing trace with hash -662419527, now seen corresponding path program 1 times [2018-08-08 13:41:36,834 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:41:36,834 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-08-08 13:41:36,835 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], [345], [353], [361], [369], [373], [375], [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 13:41:36,846 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:41:36,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:41:50,519 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:42:16,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:42:16,092 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 13:42:16,101 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:42:19,068 INFO L232 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 73.96% of their original sizes. [2018-08-08 13:42:19,069 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:42:20,200 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:42:20,201 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:42:20,201 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:42:20,201 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:42:20,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:42:20,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:42:20,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:42:20,203 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-08-08 13:42:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:42:32,620 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-08-08 13:42:32,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:42:32,623 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 176 [2018-08-08 13:42:32,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:42:32,630 INFO L225 Difference]: With dead ends: 959 [2018-08-08 13:42:32,630 INFO L226 Difference]: Without dead ends: 676 [2018-08-08 13:42:32,633 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:42:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-08-08 13:42:32,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-08-08 13:42:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-08-08 13:42:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-08-08 13:42:32,673 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 176 [2018-08-08 13:42:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:42:32,674 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-08-08 13:42:32,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:42:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-08-08 13:42:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-08-08 13:42:32,679 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:42:32,679 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, 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] [2018-08-08 13:42:32,680 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 13:42:32,680 INFO L82 PathProgramCache]: Analyzing trace with hash 52413805, now seen corresponding path program 1 times [2018-08-08 13:42:32,680 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:42:32,680 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-08-08 13:42:32,681 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], [345], [353], [361], [369], [373], [375], [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 13:42:32,687 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:42:32,687 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:43:01,521 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:43:17,235 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:43:17,236 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 13:43:17,243 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:43:20,813 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.91% of their original sizes. [2018-08-08 13:43:20,814 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:43:21,656 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:43:21,656 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:43:21,657 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:43:21,657 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:43:21,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:43:21,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:43:21,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:43:21,659 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-08-08 13:43:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:43:42,303 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-08-08 13:43:42,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:43:42,307 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 186 [2018-08-08 13:43:42,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:43:42,324 INFO L225 Difference]: With dead ends: 1153 [2018-08-08 13:43:42,324 INFO L226 Difference]: Without dead ends: 870 [2018-08-08 13:43:42,330 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 175 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 13:43:42,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-08-08 13:43:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-08-08 13:43:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-08-08 13:43:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-08-08 13:43:42,384 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 186 [2018-08-08 13:43:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:43:42,385 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-08-08 13:43:42,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:43:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-08-08 13:43:42,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-08-08 13:43:42,394 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:43:42,394 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, 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] [2018-08-08 13:43:42,395 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 13:43:42,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2059396069, now seen corresponding path program 1 times [2018-08-08 13:43:42,397 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:43:42,397 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-08-08 13:43:42,398 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], [345], [353], [361], [369], [373], [375], [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 13:43:42,411 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:43:42,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:44:30,569 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:45:05,344 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:45:05,345 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 13:45:05,351 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:45:11,502 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 73.95% of their original sizes. [2018-08-08 13:45:11,502 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:45:14,190 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:45:14,190 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:45:14,190 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-08-08 13:45:14,190 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:45:14,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-08-08 13:45:14,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-08-08 13:45:14,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-08-08 13:45:14,192 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-08-08 13:45:39,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-08-08 13:45:39,511 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 13:45:39,517 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 13:45:39,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 01:45:39 BoogieIcfgContainer [2018-08-08 13:45:39,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 13:45:39,519 INFO L168 Benchmark]: Toolchain (without parser) took 266784.90 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 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 801.6 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,521 INFO L168 Benchmark]: CDTParser took 0.21 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 13:45:39,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1018.57 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,523 INFO L168 Benchmark]: Boogie Preprocessor took 423.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -936.4 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,524 INFO L168 Benchmark]: RCFGBuilder took 5581.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 189.5 MB). Peak memory consumption was 189.5 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,525 INFO L168 Benchmark]: TraceAbstraction took 259605.84 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 647.6 MB. Max. memory is 7.1 GB. [2018-08-08 13:45:39,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1018.57 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 149.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 423.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 805.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -936.4 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5581.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 189.5 MB). Peak memory consumption was 189.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259605.84 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 647.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 162). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 22 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1282 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 259.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 68.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1091 SDtfs, 4758 SDslu, 1406 SDs, 0 SdLazy, 9427 SolverSat, 922 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 642 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 8.1s 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, 171.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9946152775100146 AbsIntWeakeningRatio, 0.13651315789473684 AbsIntAvgWeakeningVarsNumRemoved, 44.96875 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_label52_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_13-45-39-550.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label52_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_13-45-39-550.csv Completed graceful shutdown