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_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 13:38:50,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 13:38:50,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 13:38:50,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 13:38:50,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 13:38:50,815 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 13:38:50,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 13:38:50,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 13:38:50,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 13:38:50,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 13:38:50,831 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 13:38:50,831 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 13:38:50,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 13:38:50,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 13:38:50,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 13:38:50,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 13:38:50,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 13:38:50,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 13:38:50,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 13:38:50,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 13:38:50,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 13:38:50,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 13:38:50,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 13:38:50,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 13:38:50,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 13:38:50,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 13:38:50,863 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 13:38:50,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 13:38:50,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 13:38:50,868 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 13:38:50,868 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 13:38:50,869 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 13:38:50,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 13:38:50,871 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 13:38:50,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 13:38:50,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 13:38:50,875 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 13:38:50,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 13:38:50,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 13:38:50,905 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 13:38:50,906 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 13:38:50,906 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 13:38:50,907 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 13:38:50,907 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 13:38:50,907 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 13:38:50,907 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 13:38:50,908 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 13:38:50,908 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 13:38:50,908 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 13:38:50,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 13:38:50,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 13:38:50,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 13:38:50,909 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 13:38:50,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 13:38:50,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 13:38:50,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 13:38:50,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 13:38:50,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 13:38:50,913 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 13:38:50,913 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 13:38:50,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 13:38:50,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 13:38:50,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 13:38:50,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 13:38:50,914 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 13:38:50,914 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 13:38:50,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 13:38:50,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 13:38:50,915 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 13:38:50,915 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 13:38:50,915 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 13:38:50,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 13:38:51,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 13:38:51,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 13:38:51,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 13:38:51,017 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 13:38:51,019 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label37_true-unreach-call.c [2018-08-08 13:38:51,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173034770/232d1b93e9634bab8fb42a751129b6f6/FLAG66d36d67d [2018-08-08 13:38:51,702 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 13:38:51,703 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label37_true-unreach-call.c [2018-08-08 13:38:51,723 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173034770/232d1b93e9634bab8fb42a751129b6f6/FLAG66d36d67d [2018-08-08 13:38:51,741 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173034770/232d1b93e9634bab8fb42a751129b6f6 [2018-08-08 13:38:51,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 13:38:51,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 13:38:51,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 13:38:51,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 13:38:51,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 13:38:51,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:38:51" (1/1) ... [2018-08-08 13:38:51,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319e9e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:51, skipping insertion in model container [2018-08-08 13:38:51,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:38:51" (1/1) ... [2018-08-08 13:38:52,024 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 13:38:52,459 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:38:52,476 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 13:38:52,700 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:38:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52 WrapperNode [2018-08-08 13:38:52,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 13:38:52,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 13:38:52,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 13:38:52,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 13:38:52,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:52,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:52,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 13:38:52,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 13:38:52,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 13:38:52,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 13:38:53,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (1/1) ... [2018-08-08 13:38:53,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 13:38:53,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 13:38:53,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 13:38:53,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 13:38:53,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (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 13:38:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 13:38:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 13:38:53,505 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 13:38:53,505 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 13:38:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 13:38:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 13:38:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 13:38:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 13:38:58,736 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 13:38:58,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:38:58 BoogieIcfgContainer [2018-08-08 13:38:58,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 13:38:58,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 13:38:58,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 13:38:58,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 13:38:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 01:38:51" (1/3) ... [2018-08-08 13:38:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5da77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:38:58, skipping insertion in model container [2018-08-08 13:38:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:52" (2/3) ... [2018-08-08 13:38:58,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5da77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:38:58, skipping insertion in model container [2018-08-08 13:38:58,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:38:58" (3/3) ... [2018-08-08 13:38:58,748 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label37_true-unreach-call.c [2018-08-08 13:38:58,759 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 13:38:58,770 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 13:38:58,834 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 13:38:58,835 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 13:38:58,835 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 13:38:58,836 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 13:38:58,836 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 13:38:58,836 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 13:38:58,836 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 13:38:58,836 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 13:38:58,837 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 13:38:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 13:38:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-08-08 13:38:58,887 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:38:58,889 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] [2018-08-08 13:38:58,891 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 13:38:58,901 INFO L82 PathProgramCache]: Analyzing trace with hash -792813748, now seen corresponding path program 1 times [2018-08-08 13:38:58,904 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:38:58,905 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-08-08 13:38:58,908 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], [349], [351], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 13:38:58,976 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:38:58,976 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:39:03,749 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:39:03,752 INFO L272 AbstractInterpreter]: Visited 55 different actions 55 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 13:39:03,775 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:39:05,445 INFO L232 lantSequenceWeakener]: Weakened 54 states. On average, predicates are now at 75.55% of their original sizes. [2018-08-08 13:39:05,445 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:39:05,866 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:39:05,868 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:39:05,868 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 13:39:05,868 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:39:05,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 13:39:05,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 13:39:05,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 13:39:05,887 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 13:39:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:39:15,676 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 13:39:15,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 13:39:15,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-08-08 13:39:15,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:39:15,704 INFO L225 Difference]: With dead ends: 776 [2018-08-08 13:39:15,704 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 13:39:15,713 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 55 GetRequests, 51 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 13:39:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 13:39:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 13:39:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 13:39:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 13:39:15,815 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 56 [2018-08-08 13:39:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:39:15,816 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 13:39:15,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 13:39:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 13:39:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-08-08 13:39:15,830 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:39:15,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 13:39:15,831 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 13:39:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1945290421, now seen corresponding path program 1 times [2018-08-08 13:39:15,832 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:39:15,832 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-08-08 13:39:15,833 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], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:39:15,843 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:39:15,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:39:28,332 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:39:55,947 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:39:55,948 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 13:39:55,976 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:39:58,931 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 73.9% of their original sizes. [2018-08-08 13:39:58,932 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:40:00,181 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:40:00,182 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:40:00,182 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:40:00,182 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:40:00,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:40:00,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:40:00,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:40:00,184 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-08-08 13:40:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:40:13,255 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-08-08 13:40:13,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:40:13,259 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 173 [2018-08-08 13:40:13,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:40:13,268 INFO L225 Difference]: With dead ends: 959 [2018-08-08 13:40:13,268 INFO L226 Difference]: Without dead ends: 676 [2018-08-08 13:40:13,272 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:40:13,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-08-08 13:40:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-08-08 13:40:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-08-08 13:40:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-08-08 13:40:13,314 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 173 [2018-08-08 13:40:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:40:13,316 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-08-08 13:40:13,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:40:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-08-08 13:40:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-08-08 13:40:13,321 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:40:13,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:13,321 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 13:40:13,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1144340415, now seen corresponding path program 1 times [2018-08-08 13:40:13,322 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:40:13,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-08-08 13:40:13,323 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], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:40:13,330 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:40:13,330 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:40:43,708 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:40:59,374 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:40:59,374 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 13:40:59,407 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:41:02,045 INFO L232 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 73.86% of their original sizes. [2018-08-08 13:41:02,045 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:41:02,861 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:41:02,861 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:41:02,861 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:41:02,862 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:41:02,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:41:02,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:41:02,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:41:02,863 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-08-08 13:41:15,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:41:15,166 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-08-08 13:41:15,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:41:15,168 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2018-08-08 13:41:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:41:15,175 INFO L225 Difference]: With dead ends: 1153 [2018-08-08 13:41:15,175 INFO L226 Difference]: Without dead ends: 870 [2018-08-08 13:41:15,177 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:41:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-08-08 13:41:15,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-08-08 13:41:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-08-08 13:41:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-08-08 13:41:15,217 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 183 [2018-08-08 13:41:15,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:41:15,218 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-08-08 13:41:15,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:41:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-08-08 13:41:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-08-08 13:41:15,222 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:41:15,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:15,222 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 13:41:15,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1437994713, now seen corresponding path program 1 times [2018-08-08 13:41:15,223 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:41:15,223 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-08-08 13:41:15,224 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], [349], [351], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:41:15,229 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:41:15,229 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:42:10,074 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:42:52,729 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:42:52,730 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 13:42:52,736 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:42:58,395 INFO L232 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 73.9% of their original sizes. [2018-08-08 13:42:58,395 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:43:01,005 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:43:01,006 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:43:01,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-08-08 13:43:01,006 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:43:01,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-08-08 13:43:01,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-08-08 13:43:01,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-08-08 13:43:01,008 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-08-08 13:43:20,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-08-08 13:43:20,051 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 13:43:20,058 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 13:43:20,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 01:43:20 BoogieIcfgContainer [2018-08-08 13:43:20,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 13:43:20,060 INFO L168 Benchmark]: Toolchain (without parser) took 268306.46 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -314.1 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-08-08 13:43:20,062 INFO L168 Benchmark]: CDTParser took 0.23 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 13:43:20,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.48 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 13:43:20,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.49 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 13:43:20,065 INFO L168 Benchmark]: Boogie Preprocessor took 446.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 809.5 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -933.6 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2018-08-08 13:43:20,066 INFO L168 Benchmark]: RCFGBuilder took 5313.48 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: 197.4 MB). Peak memory consumption was 197.4 MB. Max. memory is 7.1 GB. [2018-08-08 13:43:20,066 INFO L168 Benchmark]: TraceAbstraction took 261320.36 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 327.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-08-08 13:43:20,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1024.48 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 195.49 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 446.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 809.5 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -933.6 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5313.48 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: 197.4 MB). Peak memory consumption was 197.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261320.36 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 327.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 153]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 153). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 17 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (992 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 261.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 54.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1048 SDtfs, 4661 SDslu, 958 SDs, 0 SdLazy, 7001 SolverSat, 819 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 625 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 7.4s 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, 188.6s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9945068602786725 AbsIntWeakeningRatio, 0.13926174496644295 AbsIntAvgWeakeningVarsNumRemoved, 46.946308724832214 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_label37_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_13-43-20-086.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label37_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_13-43-20-086.csv Completed graceful shutdown